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Tuesday, June 27, 2017

THE HINDU EDITORIAL: 26, JUNE 2017


a) Whose privilege?

The Karnataka Assembly’s resolution imposing a one-year prison sentence and ₹10,000 fine on the editors of two tabloids is indefensible and deserving of unsparing criticism. The Constitution confers certain privileges on legislative institutions with the idea of protecting freedom of speech and expression in the House and ensuring that undue influence, pressure or coercion is not brought on the legislature in the course of its functioning. Unfortunately, breach of privilege is invoked for the ostensible reason of protecting the image of the House on the whole or its individual members; too often, it is a thinly disguised mechanism to insulate elected representatives from criticism. Without a law codifying the legislative privileges, there is little merit in subjecting anyone, leave alone a journalist, to penal action for allegedly breaching a legislator’s privilege, unless there is a move or attempt to obstruct the functioning of either the House or its members. The articles concerned were published in Hi Bangalore and Yelahanka Voice and were referred to the Privileges Committee in 2014. Whether what Ravi Belagere and Anil Raj, the editors of the two tabloids, published was fair comment or unfair criticism is not germane in this case. What matters is that by no stretch of the imagination could the articles have impeded the independent functioning of the three legislators who had complained against them. If the members felt defamed, they could have opted to pursue an appropriate judicial remedy in their individual capacity. The legislature must use the power to punish for contempt or breach of privilege sparingly, invoking it mainly to protect the independence of the House and not to take away the liberty of critics. Legislators are in a position to clarify facts and refute misconceived criticism. There is no reason for them to seek imprisonment for contempt. There are many unsettled questions about the very nature of legislative privileges. The absence of codification gives the House the freedom to decide when and how breach of privilege occurs. Even if it is conceded that the House has such a right, a moot question is whether the legislature, through its Committee of Privileges, should be a judge in its own cause. Whether the legislature’s power to punish for breach of privilege extends to handing down a prison term is still an open question. The time has come for the legislature to codify privileges and for the higher judiciary to lay down the limits of penal action for breach of privilege. The Karnataka government must consider the public odium it would attract if it acted on the resolution. If the Chief Minister and the Speaker take the lead in getting the Assembly to rescind the resolution, that would better safeguard the dignity of the august House.

b) Being smart

The Centre would like us to believe that the Smart Cities Mission will transform urban life in the agglomerations that enter the elite club. With the latest inclusions, there are 90 cities in the list, each of which proposes to turn ‘smart’, utilising core funding from the Centre and other resources. By all accounts, the provision of basic services in urban India has been worsening, and this is clearly reflected in the winning city proposals: 81 of the selected plans seek funds for affordable housing, new schools and hospitals, and redesign of roads. This is at best a partial list, and there are many more aspects to achieving inclusivity. There is a high-visibility campaign around the Smart Cities Mission, but there is little evidence to suggest that State and local governments have either the fine-grained data or the capability to analyse them in order to understand the evolving needs of their communities. The Centre has apparently decided to skirt such a fundamental problem by adopting a ‘managed urbanisation’ approach in the chosen cities, with the powers of municipal councils delegated to a Special Purpose Vehicle (SPV), under the Companies Act, that will act in its own wisdom. Given that this is the model adopted by the two-year-old Mission, the Centre must present a status report on what the SPVs have achieved so far. Any serious attempt at improving the quality of life in cities would depend on how governments approach data. It would be smart, for instance, to use sensors to estimate the low of vehicles and pedestrians, and create smart phone applications for the public to report on a variety of parameters. Making such data open would enable citizens’ groups to themselves come up with analyses to help city administrators make decisions, boost transparency and make officials accountable. There are several international examples now, such as the Array of Things sensors being installed on Chicago streets, which let people download the raw data on air quality, transport, pedestrian movement and standing water. Although India’s Smart Cities Mission has identified more than 20 priority areas, interventions by the respective agencies are weak. Access to special funding should make it mandatory for all public transport providers — city bus corporations, Metro Rail and suburban trains — to provide real-time passenger information in the form of open data, an inexpensive global standard that raises both access and efficiency through smart phone applications. Making street-level waste management data public would lead to a heat map of the worst sites, compelling managers to solve the problem. Clearly, there is a lot of low-hanging fruit on the road to smartness, and a nimble policy approach can tap this quickly. More importantly, the ideology that guides the plan should recognise that the vibrant life of cities depends on variety and enabling environments, rather than a mere technology-led vision. Pollution-free commons, walk ability and easy mobility, with a base of reliable civic services, is the smart way to go.

WORDS/ VOCABULARY

1) Tabloids

Meaning: A newspaper having pages half the size of those of the average broadsheet, typically popular in style and dominated by sensational stories.

Example: The tabloid press.

2) Coercion

Meaning: The action or practice of persuading someone to do something by using force or threats.

Example: It wasn’t slavery because no coercion was used.

Synonyms: Force, Compulsion

Antonyms: Persuasion

3) Breach

Meaning: An act of breaking or failing to observe a law, agreement, or code of conduct.

Example: A breach of confidence.

 

Synonyms: Contravention, Violation

4) Privilege

Meaning: A special right, advantage, or immunity granted or available only to a particular person or group.

Example: Education is a right, not a privilege.

Synonyms: Advantage, Right, Benefit

5) Allegedly

Meaning: Used to convey that something is claimed to be the case or have taken place, although there is no proof.

Example: He was allegedly a leading participant in the coup attempt.

Synonyms: Reportedly, Supposedly

6) Sparingly

Meaning: In a restricted or infrequent manner; in small quantities.

Example: The sharply flavoured leaves should be used sparingly.

7) Moot

Meaning: Subject to debate, dispute, or uncertainty.

Example: Whether the temperature rise was mainly due to the greenhouse effect was a moot point.

Synonyms: Debatable, Open to debate

8) Agglomerations

Meaning: A mass or collection of things; an assemblage.

Example: The arts centre is an agglomeration of theatres, galleries, shops, restaurants and bars.

Synonyms: Collection, Mass

9) Elite

Meaning: A select group that is superior in terms of ability or qualities to the rest of a group or society.

Example: The elite of Britain’s armed forces.

Synonyms: Best, Pick

Antonyms: Dregs

10) Compelling

Meaning: Evoking interest, attention, or admiration in a powerfully irresistible way.

Example: His eyes were strangely compelling.

Synonyms: Enthralling, Captivating

Antonyms: Boring.

Tiger Reserves in India


1) Anshi Dandeli Tiger Reserve – Karnataka

2) Udanti & Sitanadi Tiger Reserve – Chhattisgarh

3) Tadoba Andhari Tiger Project – Maharashtra

4) Sunderbans Tiger Reserve – West Bengal.

5) Simlipal Tiger Reserve – Odisha

6) Satpura Tiger Reserve – Madhya Pradesh

7) Satkosia Tiger Reserve – Odisha

8) Sathyamangalam Tiger Reserve – Tamil Nadu

9) Sariska Tiger Reserve – Rajasthan

10) Sanjay-Dubri Tiger Reserve – Madhya Pradesh

11) Sahyadri Tiger reserve – Maharashtra

12) Ranthambore Tiger Reserve – Rajasthan

13) Rajaji National Park – Uttarakhand

14) Pilibhit Tiger Reserve – Uttar Pradesh

15) Periyar Tiger Reserve – Kerala

16) Pench Tiger Reserve – Maharashtra

17) Pench Tiger Reserve – Madhya Pradesh

18) Parambikulam Tiger Reserve – Kerala

19) Anamalai Tiger Reserve – Tamil Nadu

20) Achanakmar Tiger Reserve – Chhattisgarh

21) Pakhui Tiger Reserve – Arunachal Pradesh

22) Nameri Tiger Reserve – Assam

23) Namdapha Tiger Reserve – Arunachal Pradesh

24) Nagzira-Navegaon Tiger Reserve – Maharashtra

25) Nagarjunsagar-Srisailam Tiger Reserve –Telangana

26) Nagarjunsagar-Srisailam Tiger Reserve -AndhraPradesh

27) Nagarhole Tiger Reserve – Karnataka

28) Mukundara Hills Tiger Reserve – Rajasthan

29) Mudumalai Tiger Reserve – Tamil Nadu

30) Melghat Tiger Reserve – Maharashtra

31) Manas Tiger Reserve – Assam

32) Kaziranga Tiger Reserve – Assam

33) Kawal Tiger Reserve – Telangana

34) Kanha Tiger Reserve – Madhya Pradesh

35) Kalakkad Mundanthurai Tiger Reserve – Tamil Nadu

36) Jim Corbett Tiger Reserve – Uttarakhand

37) Indravati Tiger Reserves – Chhattisgarh

38) Dudhwa Tiger Reserve – Uttar Pradesh

39) Dampa Tiger Reserve — Mizoram

40) Buxa Tiger Reserve – West Bengal

41) Biligiri Ranganatha Swamy Temple Wildlife Sanctuary-Karnataka

42) Bhadra Tiger Reserve – Karnataka

43) Bandipur Tiger Reserve – Karnataka

45) Bandhavgarh Tiger Reserve – Madhya Pradesh

THE HINDU EDITORIAL: 24 JUNE, 2017

THE HINDU EDITORIAL



A) A foregone conclusion

It may have the trappings of an ideological battle, but the 2017 presidential election has become a platform for political messaging. With the Bharatiya Janata Party fielding an old party hand from the Dalit community, the opposition parties led by the Congress felt constrained to follow suit. While the candidature of Bihar Governor Ram Nath Kovind on behalf of the ruling party was a surprise, the response from the opposition in naming former Lok Sabha Speaker Meira Kumar was anything but that. This lent the unfortunate impression that the Congress and other parties had no clear choice of their own, and were only waiting to react. They may have hoped that the BJP would field someone from its old guard, in order to set the stage for a contest between a candidate ‘swathed in saffron’ and one with a secular report card. However, Prime Minister Narendra Modi and BJP president Amit Shah chose someone less known but from a disadvantaged community, with the clear intent of garnering the support of those outside the fold of the National Democratic Alliance, who cannot afford to be seen to be opposing a Dalit. As it happened, the Bahujan Samaj Party leader, Mayawati, felt obliged to extend her support to Mr. Kovind, until the Congress and its allies came up with the name of Ms. Kumar, daughter of the late leader of the depressed classes, Babu Jagjivan Ram. It is clear that the opposition’s tactic of waiting for the ruling party to name its candidate did not exactly help its cause. It only gave an opportunity to the BJP leadership to set the tone and agenda for the contest. The election result is a foregone conclusion. On the strength of its majority in the Lok Sabha and several legislatures, especially its huge presence in the Uttar Pradesh Assembly, the BJP’s nominee is well ahead. His position is bolstered by the support of a clutch of regional parties in Andhra Pradesh, Telangana, Odisha and Tamil Nadu, but the most important coup that the BJP has pulled of by fielding the Bihar Governor is the backing of Janata Dal (United) leader and Bihar Chief Minister Nitish Kumar. The only political point of interest in the current election lies in the possibility that it may result in realignment in Bihar. Mr. Kumar may be weighing the fallout of being seen in the company of the Rashtriya Janata Dal leader, Lalu Prasad, whose family is now embroiled in allegations of benami property transactions. There also appears to be a competition among regional parties such as the Telugu Desam Party, the Telangana Rashtra Samithi, the YSR Congress and the All India Anna Dravida Munnetra Kazhagam factions to support the Narendra Modi regime. The normally restive Shiv Sena too has chosen to back Mr. Kovind. Even with 17 parties in the opposition ranks, there may be only a symbolic contest.


B) Engaging Pyongyang


The tragic death of Otto Warmbier, the 22-year-old American student who was imprisoned and later released while in a state of coma by North Korea, is a huge setback to hopes for dialling down tensions between Washington and Pyongyang. The Korean crisis has worsened since President Donald Trump took office early this year. North Korea test-fired a number of missiles in defiance of international pressure, while the United States issued repeated warnings. Mr. Trump had put pressure on Beijing to rein Pyongyang in, and even praised it for its efforts. But the pressure does not seem to be working, with North Korea continuing with its nuclear missile programme. This was the backdrop to the release of Warmbier. He was arrested in Pyongyang in January 2016 while visiting as part of a tour group and later sentenced to 15 years of hard labour for the “hostile act” of trying to steal a propaganda poster. Within a few days of his release he died. The fallout in the U.S. is predictably charged. The Trump administration has layed the North Korean regime for Warmbier’s death, but stopped short of calling for more sanctions or issuing new threats. This may be because three other Americans are still imprisoned in North Korea, and Washington’s priority for now is to secure their release. On the face of it, this may not seem like the ideal time to advocate diplomacy. But it is worthwhile for Washington to ask whether its hostile policy towards North Korea has produced any positive result. The sanctions only approach has not helped change Pyongyang’s behaviour. In fact, the longstanding hostility and Washington’s repeated threats have turned the Kim dynastic regime so paranoid that it doesn’t spare even American tourists visiting North Korea. Attempts to put pressure on Pyongyang through Beijing have also failed — either because China is not completely on board or it is simply reluctant to use its leverage over North Korea. Using force or attempting a regime change, a strategy that has not worked for the U.S. elsewhere, will be far more dangerous in the Korean Peninsula given that the North is an unpredictable nuclear power. This situation leaves Mr. Trump with only one viable option: to take the lead in a new diplomatic offensive with both carrots and sticks. Officials from Washington and Pyongyang had already established low-level contact for the release of Warmbier and the other three Americans who are still in North Korean custody. Mr. Trump could use the crisis as an opportunity to expand the engagement, get the Americans freed and then gradually start discussing more complex issues. The new South Korean President, Moon Jae-in, is an advocate of talks and has vowed to roll back the hostile foreign policy of his predecessor. If China also backs such an effort wholeheartedly, Mr. Kim would have tounequivocally demonstrate whether he is interested in peace or not.

Words/ Vocabulary


1) Trappings
Meaning: all the things that is part of or typical of a particular job, situation, or event.
Synonym: Adornment, Equipment, Stuff
2) Swathed
Meaning: a long strip or large area especially of land.
Synonym: Wrap, Wind, Bind
Antonym: Uncover
3) Garnering
Meaning: to collect something, usually after much work or with difficulty.
Synonym: Gather, Accumulate, Assemble
Antonym: Spend, Disperse, Separate
4) Obliged
Meaning: to be forced to do something or feel that you must do something.
Synonym: Require, Compel, Force
Antonym: Delay, Release
5) Bolstered
Meaning: to support or improve something or make it stronger.
Synonym: Support or strengthen
Antonym: Undermine
6) Clutch
Meaning: to take or try to take hold of something tightly, usually in fear, worry, or pain.
Synonym: Grip, Hold
Antonym: Misconception, Misunderstanding
7) Coup
Meaning: an unexpectedly successful achievement.
Synonym: Takeover, Overthrow
Antonym: Election
8) Embroiled
Meaning: to cause someone to become involved in an argument or a difficult situation.
Synonym: Involve, Entangle
Antonym: Exclude, Order, Clarify
9) Allegations
Meaning: a statement, made without giving proof, that someone has done something wrong or illegal.
Synonym: Claim, Argument, Intimation
Antonym: Exculpation, denial
10) Regime
Meaning: a particular government or a system or method of government.
Synonym: Rule, Government, Control
11) Defiance
Meaning: behaviour in which you refuse to obey someone or something.
Synonym: Resistance, Opposition
Antonym: Submission, Obedience
12) Rein
Meaning: keep under control.
Synonym: Restrain, Restrict
Antonym: Release
13) Advocate
Meaning: to publicly support or suggest an idea, development, or way of doing something.
Synonym: Supporter, Exponent
Antonym: Critic, Reject
14) Hostility
Meaning: an occasion when someone is unfriendly or shows that they do not like something.
Synonym: Bitterness, Anger
Antonym: Friendliness, Peace
15) Paranoid
Meaning: feeling extremely nervous and worried because you believe that other people do not like you or are trying to harm you.
Synonym: Over-suspicious, Insecure
16) Reluctant
Meaning: not willing to do something and therefore slow to do it.
Synonym: Unwilling, Resistant
Antonym: Eager, Ready
17) Leverage
Meaning: the action or advantage of using a lever.
Synonym: Grip, Hold, Power
18) Viable
Meaning: able to work as intended or able to succeed.
Synonym: Feasible, Sensible
Antonym: Impracticable
19) Hostile
Meaning: unfriendly and not liking something.
Synonym: Confrontational, Aggressive
Antonym: Friendly, Mild
20) Unequivocally
Meaning: total, or expressed in a clear and certain way.
Synonym: Unambiguous, Indisputable
Antonym: Vague

THE HINDU EDITORIAL: 23 JUNE, 2017

THE HINDU EDITORIAL


A) The clean-up begins

Armed with the powers, a little over a month ago, to get lenders and defaulting borrowers to sit down and address the messy task of cleaning up toxic bad debts, the Reserve Bank of India (RBI) has decided to crack the whip. The central bank’s decision to act on the advice of its Internal Advisory Committee and direct lenders to initiate insolvency proceedings against 12 corporate borrowers — each owing in excess of RS. 5,000 crore — has come not a day too soon. With gross non-performing assets (NPAs) at about RS. 7 lakh crore, a regulatory intervention was imperative not only to safeguard the health of the banking system but also to ward off any wider impact on the economy. RBI Governor Urjit Patel underscored the importance of tackling the bad loans problem as recently as during the June 6-7 meeting of the Monetary Policy Committee when he said: “The quiescent investment cycle remains a key macroeconomic concern. It is, therefore, imperative to ensure resolution of stressed assets of banks and timely re-capitalization [of public sector lenders].” While the RBI has not divulged the names of the defaulting dozen, reports suggest they are largely made up of steelmakers and infrastructure companies. That steel companies were among the worst-hit in the wake of the global downturn in commodity prices and depressed demand in recent years is widely known; to that extent the sector’s presence in the list comes as no surprise. The onus now shifts to the lender consortiums to expedite the insolvency process under the new Insolvency and Bankruptcy Code (IBC). The enabling architecture is now in place to speedily bring a defaulting borrower’s operations under the purview of an insolvency professional, once the National Company Law Tribunal has accepted the creditors’ application for initiating insolvency proceedings against the debtor. But the actual timeframe in which the resolution is going to occur remains to be seen, given that the IBC is still in its infancy. While the code has been drafted to bring under its ambit existing laws related to insolvency and bankruptcy, thereby curtailing the options available to a borrower who wishes to mount a legal challenge, the proof of the pudding as always will be in the eating. The fate of this long-overdue attempt at resolving the banking sector’s NPA crisis will ultimately be determined by how quickly the lender consortia are able to initiate the implementation of a resolution plan that retains the defaulting company as a going concern — there are, after all, thousands of direct and indirect jobs at stake here. Or, in the absence of approval for such a plan, start taking steps to liquidate assets.

B) Game of thrones

The rapid rise of Mohammed bin Salman, from one among many princes in the al-Saud royal family to the Crown Prince of Saudi Arabia within a span of two years, is an unprecedented development in the history of the Kingdom. Little-known outside the palace until January 2015 when his father, Salman bin Abdulaziz, became the monarch, Prince Mohammed has since been the face of Saudi Arabia overseas and of reforms at home. Appointed Deputy Crown Prince by his father, Prince Mohammed often overshadowed the then powerful Crown Prince, Mohammed bin Nayef. He was directly in charge of the Kingdom’s foreign policy and rolled out an ambitious economic reform agenda last year. Throughout, he had the support of the octogenarian King, even as the Crown Prince, reportedly upset with his cousin sidestepping him, kept a low pro- le. On Wednesday, King Salman put an end to all speculation on the succession by ousting Prince Nayef, his nephew, and appointing his son the new Crown Prince. This has practically removed all hurdles for the 31-yearold to ascend the throne once his father retires or dies. With King Salman largely conned to the Palace owing to health reasons and Prince Nayef forcibly retired, the new Crown Prince has already become the de facto ruler of Saudi Arabia. Many regard him as a reformer. He has repeatedly talked about ending Saudi Arabia’s “addiction to oil”. The Vision 2030 plan launched by the Prince last year seeks to end the country’s dependence on oil, reform its finances and encourage private enterprise. He has also talked about women’s rights. At the same time, many others perceive him as a reckless,impulsive royal whose unrealistic ambitions and quest for power could endanger not just the Kingdom but the entire Gulf region. A look at Saudi Arabia’s foreign policy under King Salman lends credence to this criticism. Prince Mohammed was the architect of Riyadh’s bombing campaign in Yemen in the name of fighting Shia Houthi rebels. The Saudi version is that the Houthis are Iran’s proxies, and letting them consolidate themselves in the Kingdom’s backyard will hurt its interests. For over two years Saudi Arabia has been bombing Yemen with impunity, triggering a humanitarian crisis in one of the poorest countries in the Arab world, but without attaining the stated objective of defeating the Houthis. The Houthis are still in San’a, Yemen’s capital. Riyadh has also taken a tougher anti-Tehran line in recent years with Prince Mohammed determined to make sure that “the battle is for them in Iran”. This aggressive foreign policy line was evident in Riyadh’s decision to impose a blockade on Qatar as well. Prince Mohammed’s domestic reform credentials are also yet to be established, as his plans to reorganise the oil economy remain on paper, while social reforms are nowhere near the government’s agenda. Against such a background, the Prince’s elevation will only prompt Saudi Arabia to turn more hawkish on regional policy, while reforms take a back seat. This is bad news for an already volatile region.

WORDS / VOCABULARY





1) Insolvency
Meaning: Not having enough money to pay debts, buy goods, etc.
Example: The club was facing insolvency.
Synonyms: Bankruptcy, Failure
Antonyms: Solvency
2) Imperative
Meaning: Of vital importance; crucial.
Example: Immediate action was imperative.
Synonyms: Vital, Crucial
Antonyms: Unimportant, Optional
3) Quiescent
Meaning: In a state or period of inactivity or dormancy.
Example: Strikes were headed by groups of workers who had previously been quiescent.
Synonyms: Inactive, Inert
Antonyms: Active
4) Divulged
Meaning: Make known (private or sensitive information).
Example: I am too much of a gentleman to divulge her age.
Synonyms: Disclose, Reveal
Antonyms: Conceal
5) Consortiums
Meaning: An association, typically of several companies.
Example: A consortium of textile manufacturers.
Synonyms: Collective, Agency
6) Purview
Meaning: The limit of someone’s responsibility, interest, or activity.
Example: This case falls outside the purview of this particular court.
Synonyms: Reach, Realm
7) Pudding
Meaning: The final part of a meal, when a sweet dish is eaten.
Example: I thought we’d have trifle for pudding.
Synonyms: Dessert, Sweet
8) Unprecedented
Meaning: Never done or known before.
Example: The government took the unprecedented step of releasing confidential correspondence.
Synonyms: Unequalled, Unmatched
Antonyms: Normal, Common
9) Ambitious
Meaning: Having or showing a strong desire and determination to succeed.
Example: A ruthlessly ambitious woman.
Synonyms: Aspiring, Determined
Antonyms: Timid, Retiring
10) Octogenarian
Meaning: A person who is between 80 and 89 years old.
Example: The elderly.
11) Speculation
Meaning: The activity of guessing possible answers to a question without having enough information to be certain.
Example: Speculation about his future plans is rife.
Synonyms: Conjecture, Supposition
12) Perceive
Meaning: To come to an opinion about something, or have a belief about something.
Example: How do the French perceive the British?
Synonyms: Discern, Recognize
13) Impulsive
Meaning: Showing behaviour in which you do things suddenly without any planning and without considering the effects they may have.
Example: Don’t be so impulsive – think before you act.
Synonyms: Hasty, Passionate
Antonyms: Cautions
14) Unrealistic
Meaning: Having a wrong idea of what is likely to happen or of what you can really do; not based on facts.
Example: I think these sales forecasts are unrealistic, considering how slow sales are at present.
Synonyms: Impractical, Unworkable
Antonyms: Realistic, Pragmatic
15) Credence
Meaning: The belief that something is true.
Example: I’m not prepared to give credence to anonymous complaints.
Synonyms: Acceptance, Belief
16) Impunity
Meaning: Freedom from punishment or from the unpleasant results of something that has been done.
Example: Criminal gangs are terrorizing the city with apparent impunity.
Synonyms: Immunity, Indemnity
Antonyms: Liability, Responsibility
17) Aggressive
Meaning: Determined to win or succeed and using forceful action to win or to achieve success.
Example: Both players won their first-round matches in aggressive style.
Synonyms: Competitive, Assertive
Antonyms: Friendly, Peacful
18) Hawkish
Meaning: Supporting the use of force in political relationships rather than discussion or other more peaceful solutions.
Example: The president is hawkish on foreign policy.
Synonyms: Intrusive, Advancing
Antonyms: Calm
19) Whip
Meaning: A member of a political party in a parliament or in the legislature whose job is to make certain that other party members are present at voting time and also to make certain that they vote in a particular way.
Example: Hargreaves is the MP who got into trouble with his party’s chief whip for opposing the tax reform.
Synonyms: Pull, Pluck
20) De facto
Meaning: Existing in fact, although perhaps not intended, legal, or accepted.
Example: The city is rapidly becoming the de facto centre of the financial world.
Synonyms: Actual, Existent
Antonyms: De jure

Sunday, June 25, 2017

Basic Physics-1

Basic Physics - Part I

Sound waves are longitudinal waves.
 Sound waves cannot travel through vacuum.
 Acoustic is the subject dealing with the study of sound.
 Velocity of Sound is extreme in solid.
 The velocity of sound in air increases with increase in temperature.
 The velocity of sound in air is proportional to the square root of the absolute temperature.
 The sound of high pitch: Shrill
 The sound of low pitch: Sharp
 Hertz is the unit of frequency.
 Vibration of a string is a transverse motion.
 Stethoscope is based upon the principle of multiple reflection.
 Doppler effect describes the relationship between the pitch of sound and distance from the source of sound.
 Doppler effect: Describes to find binary stars,
 Sound signal is recorded as light signal on a cinema film.
 When sound waves enter from air into water they bend away from the normal.
 Light travels faster than sound.
 Whispering gallery; Gol Gumbaz.
 Uses of echoes: (1) Bats fly in the dark. (2) Detect the submarines under water.
 Echo: We hear original and then reflected sound.
 The obstacle should be at least 16.5 mts.
 The time interval between sound production and its echo is 1/10 of a second.
 Vibration of a string is transverse.
 Microphones convert sound into electric energy.
 Loud Speaker converts electric energy into mechanical energy and mechanical energy into sound energy.
 A sound of single frequency is called tone.
 Mach number: The ratio of the velocity of the body to the velocity of sound.
 Expression for simple harmonic motion: a Sin (Wt-Kn).
 The waves produced by the Sonometer is transverses stationary and polarized.
 Lissajous figures are very useful in comparing frequencies.
 The velocity of sound in gas is the square root of the adiabatic elasticity medium.
 The velocity of sound in air decrease with increase in pressure.
 The quality of tone depends upon the present.
 The frequencies of two vibrating systems equal it is called resonance.
 The velocity of sound in air is 332 meters/sec. 0 oC when the air is dry.
 Ultra sonics are detected by the thermal detector.
 Ultra sonic waves have frequencies higher than 20,000 Cycles per Sec.
 Infra sonic waves have the frequencies less than 20hz,
 A spherical liquid drop has a convex surface.
 Surface Tension: Soap bubble.
 The pressure inside a bubble is inversely proportional to its radius.
 Quincke's drop method is used for measuring surface tension and angle of contact for mercury in contact with glass.
 Cream separator: Centripetal force.
 Blotting paper: Capillary action.
 Adhesion: Force of attraction between unlike molecules.
 Cohension: Force of attraction between like molecules.
 Rocket: Conservation of momentum.
 Hygrometer: Instrument for measuring relative humidity.
 Tensimeter: Device for measuring vapour pressure.
 A falling in barometer: Storm.
 Ballory are filled with hydrogen.
 Sublimation: Vapourisation of a solid without first becoming a liquid.
 In pressure cooker the water boils at more than 100o C.
 Condensation: the change of vapour into liquid.
 Heat from the sun reaches the earth by way of radiation.
 Dry ice is solid carbondioxide.
 Pyrometer is used for measuring higher temp.
 When ice melts in a glass of water, the level of water in glass remains the same.
 If a ship enters into sea from the lake the level of the ship rises.
 S.I unit of heat is joule; in C.G.S system it is calorie.
 Hope's experiment proves the density of water is maximum at 4°C.
 The S.I unit of temperature is Kelvin.
 Thermostat used to maintain a constant temperature.
 Absolute zero: -273°C.
 Absolute zero: -460°F
 At -40° the Fahrenheit and Centigrade Scales are equal.
 At 574.25°F the Fahrenheit and Kelvin are equal.
 The temperature of human body is 36.9°C (fever:39°C).
 Latent heat of fusion of ice=336 x 103 J/kg.
 Regelation means refreezing.
 Thermometric scales: F = 9/5 C + 32 = 1.8C + 32, C = (5/9 F-32) = 0.56 F-18
 Laws of Reflection : (i) The angle of incidence is equal to the angle of reflection. (ii) The incident ray, reflected ray and normal to the surface lie in the same plane.
Parallel Mirrors:
 (i) The No of images formed when an object is· kept in between two plane mirror is infinite,
 (ii) 3 images are formed when the two mirrors are inclined and the angle between the two mirror is 90° (5 images when the.angle.is 60°, 7 images when the angle is 45°,11 images when the angle is 30°)
 (iii) The number of images formed (1) when the two mirros are inclained is equal to 1 = 360/1-1 is the angle between the mirrors
 (iv) The number of images formed in Kaleidoscope is 5 (angle between the mirror is 60°).
 (v) Kaleidoscope and periscope are based on the principle of multiple reflection.
 Short Sight –Myopia : Eye ball too long, Focal length too small, Objects nearer are Clearly seen,Focus in front of retina, Rectified with Concave lens
 Long Sight – Hyper Metropia : Eye ball too short, Focal length too long, Objects farer are Clearly seen, Focus behind the retina, Rectified with Convex lens
 Infrared rays are discussed by William Herschell,
 Wave length between 4X10-3 m and 7.5x 107m.
 Headed zirconium and heated tungsten carbide emits infra-red.
 Infrared: Used in the treatment of Thellmatic arthritis, Used in burglar alarms, Used in Photography (dew), The remote control (TV, VCR) sends commands in the form of infrared rays.
 Ultra-violet rays are discovered by Ritter.
 Wave length between 3900 X 10-lOm and 130.x 10-lOm.
 Source-Sun and Moon: Used in Forensic science lab, Ultra-violet radiations helps for the preparation of vitamin D, Used in the treatment of bone diseases and tumors. Used for sterilizing the air in operation theatres and laboratories.
 Laser: Light amplification by stimulated emissions of Radiation.
 The laser light is coherent monochromatic and extremely intense.
 The laser beam does not diverge.
 Light is a form of Energy.
 Light particles are known as photons.
 Light waves are electromagnetic.
 Velocity of the light: 3 x 108 m/sec.
 Corpuscle theory of light: Sir Issac Newton.
 Sky is blue due to Blue light is scattered the most by small particles of atmosphere.
 Bats fly in the dark: Ultra sonics.
 Velocity of light: Poucaulf's rotating mirror method.
 Energy of photons: E=hr where 'h' is the Planck's constant
(h =6.625 x10-34joules/sec)and r is the frequency of electromagnetic radiation.
 Rainbow formed due to: Dispersion.
 If a green colour leaf is seen in red light it will appear as black.
 Light travels fast in quarts.
 If a disc which has the pure spectral colours painted on it in proper proportion is rotated rapidly, it produces, white light.
 The distance between the projector and the screen, in a cinema theatre is increased by 1% the intensity of illumination is decreased by 2%.