Optical fibre works on the


Options: principle of refraction,    total internal reflection,    scattering,    interference

Ans:B,B






More physics Related questions:


Brass gets discoloured in air because of the presence of which of the following gases in air?
Options: Oxygen,    Hydrogen sulphide,    Carbon dioxide,    Nitrogen

Ans:B,B


The latitude 'AA' on the map represents the
Options: Tropic of Cancer,    Tropic of Capricorn,    Equator,    None of the above

Ans:C,C


The Asian Games were held in Delhi for the first time in...?
Options: 1951,    1963,    1971,    1982

Ans:A,A


Grand Central Terminal, Park Avenue, New York is the world's
Options: A. largest railway station B. highest railway station C. longest railway station D. None of the above

Ans:A,largest railway station


The umbra is
Options: the inner portion of the moon's shadow,    formed by tangents to the sun and moon,    both (a) and (b),    None of the above

Ans:C,C


The book 'To Live or Not Live' was written by
Options: V.S. Naipaul,    Alexandra Dumas,    George Elliot,    Nirad C. Chaudhuri

Ans:D,D


On August 1, 2003, the total strength of India's armed forces approximate to
Options: 13,92,000,    10,92,000,    71,500,    1,32,000

Ans:A,A


What is the duration of football match?
Options: Two 15 minute period with a reset at half time,    Two 25 minute period with a reset at half time,    Two 35 minute period with a reset at half time,    Two 45 minute period with a reset at half time

Ans:D,D


In India, rural incomes are generally lower than the urban incomes, which of the following reasons account for this? A large number of farmers are illiterate and know little about scientific agriculture Prices of primary products are lower than those of manufactured products Investment in agriculture has been low when compared to investment in industry
Options: I, II, III,    I, II,    I, III,    II, III

Ans:A,A


The minimum number of members that must be present to hold the meeting of the Lok Sabha is
Options: one-fourth of the total membership,    one-tenth of the total membership of the Houses,    50 percent strength of the Lok Sabha,    at least 100 members

Ans:B,B


When was Monopoly created?
Options: 1940s,    1930s,    1920s,    1950s

Ans:B,B


Mesons are found in
Options: Laser beam,    X-rays,    Gamma rays,    Cosmic rays

Ans:D,D


Stars twinkle because
Options: the intensity of light emitted by them changes with time,    the distance of the stars from the earth changes with time,    the refractive index of the different layers of the earth's atmosphere changes continuously, consequently the position of the image of a start changes with time,    the light from the star is scattered by the dust particles and air molecules in the earth's atmosphere

Ans:C,C


Zawar (Rajasthan) is famous for
Options: ship manufacturing,    zinc mines,    salt,    major port

Ans:B,B


Where is the 'National Remote Sensing Agency' situated?
Options: Shadnagar,    Bangalore,    Chennai,    Dehradun

Ans:A,A


The Nobel peace prize is awarded in which city?
Options: Oslo,    Stockholm,    Brussels,    Geneva

Ans:A,A


Penicillin is widely used as
Options: an antiseptic,    a disinfectant,    an antibiotic,    an insecticide

Ans:,


The HBJ Upgradation project, upgraded the capacity of HBJ pipeline from 18.2 MM SC MD to
Options: 20 MM SC MD,    33.4 MM SC MD,    22.3 MM SC MD,    29.6 MM SC MD

Ans:B,B


Which of the following cities of Maharashtra have airports?
Options: Mumbai and Nagpur,    Pune,    Sholapur and Akola,    All of the above

Ans:D,D


The condition of indirect taxes in the country's revenue is approximately
Options: 70 percent,    75 percent,    80 percent,    86 percent

Ans:D,D


Made from a variety of materials, such as carbon, which inhibits the flow of current...?
Options: Choke,    Inductor,    Resistor,    Capacitor

Ans:C,C


National institute of Mental Health is located at
Options: Coonor (Tamil Nadu),    Chandigarh,    New Delhi,    Bangalore

Ans:D,D


The troops raised by the emperor but not paid directly the state and place under the charge of mansabadars were know as
Options: Walashahi,    Barawardi,    JCumaki,    Dakhili

Ans:D,D


The smallest country of the world is
Options: Russia,    Vatican city,    Brazil,    Canada

Ans:B,B


How many players are there in Kabbadi team?
Options: 11,    9,    5,    7

Ans:D,D


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

Ans:A,A


When did Afghanistan ends monarchy and became a republic?
Options: 1949,    1973,    1965,    2000

Ans:B,B


In 1983, which person was the first to offer a definition of the term 'computer virus'?
Options: McAfee,    Smith,    Cohen,    Norton

Ans:C,C


When is the Haryana Day?
Options: September 1,    October 1,    November 1,    December 1

Ans:C,C


Which was the first country to withdraw from CENTO?
Options: Iraq,    Afghanistan,    Turkey,    U.K.

Ans:A,A


Gabriel Daniel Fahrenheit was
Options: a German Physicist,    developed the mercury thermometer in 1714,    devised temperature scale,    All of the above

Ans:D,D


Pulitzer prize is awarded for outstanding work in the field of
Options: Science and Technology,    Environmental Studies,    Literature and Journalism,    International Understanding

Ans:C,C


Thomas Cup is associated with
Options: badminton,    billiards,    lawn tennis,    table tennis

Ans:A,A


The river Sutlej, on which the Bhakra Dam has been built, originates from
Options: a spring in Vering,    near Bara Lacha Pass in Lahul,    Rakas lake in Tibet,    Mansarovar lake

Ans:C,C


The headquarters of International Atomic Energy Agency is located in
Options: Vienna,    London,    Geneva,    Washington

Ans:A,A


Who beat Duke in the Great Alaskan Shootout Finals in 1998?
Options: Syracuse,    University of Cincinnati,    Notre Dame,    UCLA

Ans:B,B


National Science Centre is located at
Options: Bangalore,    Bombay,    Kolkata,    Delhi

Ans:D,D


Buxa Tiger Reserve
Options: Karnataka,West Bengal,Tripura,MadhyaPradesh

Ans:West Bengal,


The main objective of multi-purpose river projects are
Options: extension of irrigation facilities by constructing dams to store surplus water during the rainy season, for release in summer,    power generation by constructing hydro power stations,    flood controls and making rivers navigable,    All of the above

Ans:D,D


When and where was hockey introduced for women in Olympics?
Options: 1908 at London,    1980 at Moscow,    1936 at Berlin,    1924 at Paris

Ans:B,B


Who is the author of 'India Wins Freedom'?
Options: Dominique Lapierre,    Maulana Azad,    Khan Abdul Gaffar Khan,    Jawaharlal Nahru

Ans:B,B


The most densely populated regions in the world are
Options: the monsoon climatic regions,    the equatorial regions,    the hot desert climatic regions,    the summer climatic regions

Ans:A,A


Which body of UNO carries on the function of the UNO with regard to international, economic, social, cultural, education, wealth and related matters?
Options: General Assembly,    Security Council,    The Economic and Social Council,    Trusteeship Council

Ans:C,C


Intensity of sound has
Options: an object existence,    a subject existence,    no existence,    both subjective and objective existence

Ans:A,A


India became a member of the United Nations in
Options: 1945,    1947,    1959,    1960

Ans:A,A


Planets do not twinkle because
Options: they emit light of a constant intensity,    their distance from the earth does not change with time,    they are very far away from the earth resulting in decrease in intensity of light,    they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable

Ans:D,D


Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?
Options: Order,    Subspecies,    Class,    Genus

Ans:C,C


In August, 1996 at Kolar(near Bangalore), India made successful test flights of Unmanned Air Vehicle (UAV) named
Options: Arjun,    Nishant,    Vijayanta,    Lakshya

Ans:B,B


The position of a chief minister is
Options: similar to that of the prime minister,    identical to that of the president,    a combination of the position of the prime minister and president,    not constitutional

Ans:A,A


Gandhi Peace Prize for the year 2000 was awarded to the former President of South Africa along with
Options: Sathish Dawan,    C. Subramanian,    Grameen Bank of Bangladesh,    World Healt Organisation

Ans:C,C

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