Once the active medium is excited, the first photons of light are produced by which physical process?


Options: Blackbody radiation,    Spontaneous emission,    Synchrotron radiation,    Planck’s oscillation

Ans:B,B






More technology Related questions:


The second largest continent in the world is
Options: Asia,    Australia,    Africa,    Europe

Ans:C,C


The lead character in the film 'The Bandit Queen' has been played by
Options: Rupa Ganguly,    Seema Biswas,    Pratiba Sinha,    Shabama Azmi

Ans:B,B


The Parliament of India can make use of the residuary powers
Options: at all times,    only during national emergency,    during national emergency as well as constitutional emergency as well in a state,    None of the above

Ans:A,A


Dr. Linus Carl Pauling is the only person to have won two Nobel prizes individually for
Options: Chemistry in 1954, Peace Prize in 1962,    Peace Prize in 1954, Chemistry in 1962,    Physics in 1954, Medicine in 1962,    Medicine in 1954, Physics in 1962

Ans:A,A


The velocity of light was first measured by
Options: Einstein,    Newton,    Romer,    Galileo

Ans:C,C


The planet with the maximum number of natural satellites (moons), so far discovered is
Options: Jupiter,    Neptune,    Saturn,    Uranus

Ans:A,A


Which scientist discovered the radioactive element radium?
Options: Isaac Newton,    Albert Einstein,    Benjamin Franklin,    Marie Curie

Ans:D,D


Which of the film is directed by Mr. Buddhadeb Gupta?
Options: Mohra,    Krantiveer,    1942 - A Love Story,    Charachar

Ans:D,D


For seeing objects at the surface of water from a submarine under water, the instrument used is
Options: kaleidoscope,    periscope,    spectroscope,    telescope

Ans:B,B


The major cause of species extinction is
Options: agricultural activities,    extraction (including mining, fishing, logging),    development (human settlements, industry),    habitat loss and degradation

Ans:D,D


The most ideal region for the cultivation of cotton in India is
Options: the Brahmaputra valley,    the Indo-Gangetic valley,    the Deccan plateau,    the Rann of Kutch

Ans:C,C


The process of destruction or dying of fronts is called
Options: fromtogenesis,    frontolysis,    both (a) and (b),    None of the above

Ans:B,B


The United Nations is considered as a universal organisation. Which organ of rhe united nations fully represents the fact?
Options: The Economic and Social Council,    The Security Council,    The Secretariat,    The General Assembly

Ans:D,D


Who is largely responsible for breaking the German Enigma codes, created a test that provided a foundation for artificial intelligence?
Options: Alan Turing,    Jeff Bezos,    George Boole,    Charles Babbage

Ans:A,A


The largest gold producing country in the world(in 2006) is
Options: China,    Canada,    South Africa,    USA

Ans:C,C


In the second nationalization of commercial banks, ___ banks were nationalized.
Options: 4,    5,    6,    8

Ans:C,C


The association of the rupee with pound sterling as the intervention currency was broken in
Options: 1990,    1991,    1992,    1993

Ans:C,C


Fa-Hien was
Options: the first Buddhist pilgrim of China to visit India during the reign of Chandragupta Vikramaditya,    the discoverer of Puerto Rico and Jamaica,    the first Buddhist pilgrim of India to visit China,    None of the above

Ans:A,A


King Hammurabi raised the first army of the world in
Options: 2000 BC,    1500 BC,    1480 BC,    1027 BC

Ans:A,A


Which of the following games originated from England?
Options: Baseball,    Archery,    Cricket,    Hockey

Ans:C,C


Ben Johnson, the well known athlete belongs to which of the following countries?
Options: South Africa,    Canada,    Germany,    Cuba

Ans:B,B


In an atomic explosion, enormous energy is released which is due to
Options: conversion of chemical energy into heat energy,    conversion of mechanical energy into nuclear energy,    conversion of mass into energy,    conversion of neutrons into protons

Ans:C,C


Jeev Milkha Singh is associated with which sports?
Options: Volleyball,    Golf,    Athletics,    Hockey

Ans:B,B


The total number of Judges of the International Court of Justice is
Options: 10,    12,    15,    18

Ans:C,C


Devaluation of currency leads to
Options: fall in domestic prices,    increase in domestic prices,    no impact on domestic prices,    erratic fluctuations in domestic prices

Ans:B,B


The meridian passing through London is called the
Options: equator,    Tropic of Cancer,    Prime Meridian of 0º Meridian,    Tropic of Capricorn

Ans:C,C


The American General who led the revolt against the British and declared American independence was
Options: George Washington,    Bill Clinton,    George Bush,    None of the above

Ans:A,A


Toxin is a poisonous substance produce by
Options: some higher plants,    certain animals,    pathogenic bacteria,    All of the above

Ans:D,D


Olympic Games after 4th century A.D. restarted from
Options: 1916,    1912,    1904,    1896

Ans:D,D


Hermann Scheer (Germany) received right Livelihood Award in 1999 for
Options: his indefatigable work for thepromotion of solar energy worldwide,    his long standing efforts to end the impunity of dictators,    showing that organic agriculture is a key to both environmental sustainability and food security,    None of the above

Ans:A,A


A dual-layer DVD is valued because it:
Options: Can hold more data,    Contains a backup of the data stored,    Uses a second layer to offer a speed increase,    Creates alternative sound tracks

Ans:A,A


Where was the yo-yo invented?
Options: France,    United States,    Philippines,    England

Ans:C,C


Ms. Medha Patkar is associated with the
Options: Tehri project,    Enron project,    Sardar Sarovar project,    Dabhol project

Ans:C,C


What does SSL stand for?
Options: Secure Socket Layer,    System Socket Layer,    Superuser System Login,    Secure System Login

Ans:A,A


The members of a State Commission can be removed by the
Options: governor on a report by the Supreme Court,    governor on a resolution passed by Parliament,    president on a report by the Supreme Court,    president on a resolution passed by Parliament

Ans:C,C


The languages used in China is
Options: Chinese, English,    Chinese, Arabic,    Chinese, French,    Chinese, Korean

Ans:A,A


'Natya - Shastra' the main source of India's classical dances was written by
Options: Nara Muni,    Bharat Muni,    Abhinav Gupt,    Tandu Muni

Ans:B,B


Within the transporting medium, transport can occur by
Options: suspension,    solution and traction,    solution,    All of the above

Ans:D,D


What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?
Options: Telegraph,    Radio,    Television,    Dishwasher

Ans:C,C


The term steeplechase is associated with which of the following sports?
Options: Boxing,    Chess,    Rowing,    Horse Racing

Ans:D,D


When was barb wire patented?
Options: 1874,    1840,    1895,    1900

Ans:A,A


Oxygen was independently discovered by
Options: Rutherford,    William Ramsay,    Joseph Priestley,    Neils Bohr

Ans:C,C


One horse power is equal to
Options: 746 watts,    748 watts,    756 watts,    736 watts

Ans:A,A


What is laughing gas?
Options: Nitrous Oxide,    Carbon monoxide,    Sulphur dioxide,    Hydrogen peroxide

Ans:A,A


If the plane of the earth's equator were not inclined to the plane of the earth's orbit
Options: the year would be longer,    the winters would be longer,    there would be no change of seasons,    the summers would be warmer

Ans:C,C


The initial increase of magnetic field in magnetic storms is caused
Options: when the shock wave, associated with the gusty solar wind, compresses the magnetosphere,    when there is a large decrease in field intensity,    when the gust wind itself engulfs the magnetosphere,    None of the above

Ans:A,A


The Paithan (Jayakwadi) Hydro-electric project, completed with the help of Japan, is on the river
Options: Ganga,    Cauvery,    Narmada,    Godavari

Ans:D,D


Satpura National Park
Options: Karnataka,Kerala,Madhya Pradesh,MadhyaPradesh

Ans:Madhya Pradesh,


How many wickets did Zaheer Khan pick up in his ODI debut?
Options: 0,    3,    5,    2

Ans:B,B


Who is the author of the book 'Freedom Behind Bars'?
Options: Kiran Bedi,    Jawaharlal Nahru,    Sheikh Abdullah,    Nelson Mandela

Ans:A,A

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