GK Question Test on Physics - Set 05

G.K. Practice Test: Question Set - 05

1. Mach number is used in connection with the speed of
    (A) Sound
    (B) Aircraft
    (C) Spacecraft
    (D) Ships

2. Stars which appear single to the naked eye but are double when seen through a telescope are
    (A) Novas and supernovas
    (B) Binaries
    (C) Asteroids
    (D) Quasars

3. Solar eclipse will take place when
    (A) The sun is between the moon and the earth
    (B) The earth is between the moon and the sun
    (C) The moon is between the sun and the earth
    (D) The moon does not lie on the line joining the sun and the earth

4. In which of the following industries is mica as a raw material?
    (A) Cement
    (B) Glass and Pottery
    (C) Iron and Steel
    (D) Electrical

5. Radiocarbon dating technique is used to estimate the age of
    (A) Rocks
    (B) Monuments
    (C) Soil
    (D) Fossils

6. Natural radioactivity was discovered by
    (A) Marie Curie
    (B) Ernest Rutherford
    (C) Henri Becquerel
    (D) Enrico Fermi

7. Mica is used in electrical appliances such as electric iron because mica is
    (A) A good conductor of heat but a bad conductor of electricity
    (B) A bad conductor of heat but a good conductor of electricity
    (C) A good conductor of heat as well as electricity
    (D) A bad conductor of heat as well as electricity

8. The 'pulse' of the aquatic environment can be ascertained by measuring
    (A) Nitrogen
    (B) Oxygen
    (C) Alkalinity
    (D) Conductivity

9. What is the function of a dynamo?
    (A) To convert heat energy into light energy
    (B) To convert light energy into heat energy
    (C) To convert mechanical energy into electrical energy
    (D) To convert electrical energy into mechanical energy

10. To produce sound it is necessary that
    (A) The source should execute longitudinal vibrations
    (B) The source should execute transverse vibrations
    (C) The source may execute any type of vibrations
    (D) The vibrations of source are not necessary

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Physics GK:
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