Physics Practice Question and Answer
8 4 Q:
6165591ad881f961723211b5 4 Q:
5f06e5113f7f07047796139a 4 Q:
5f6da58ff9079a64e3c04fe1 4 Q:
6137381c576b113a3f9c8791 4 Q:
5ef1aedd7fed557ba2abd595 4 Q:
5f86a8e8dcf12a01a1419787 4 Q:
5fe459e157a5647868b5ea39 4 Q:
64b51c41efb5ba166881e176 Answer : 4. "Harry Hammond Hess"
Q: The velocity of sound in the air (vacuum) is:
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6165591ad881f961723211b5- 1110 m / secfalse
- 2232 m / secfalse
- 3331 m / sectrue
- 4220 m / secfalse
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Answer : 3. "331 m / sec "
Q: The sky appears blue die to
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5f06e5113f7f07047796139a- 1Refraction of lightfalse
- 2Scattering of lighttrue
- 3Diffraction of lightfalse
- 4Reflections of lightfalse
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Answer : 2. "Scattering of light"
Q: What is the reflection made by a plane mirror?
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5f6da58ff9079a64e3c04fe1- 1Actualfalse
- 2Fantasytrue
- 3vice versafalse
- 4None of thesefalse
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Answer : 2. "Fantasy"
Q: What force is used to remove cream from milk?
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6137381c576b113a3f9c8791- 1frictional forcefalse
- 2Centripetal forcefalse
- 3centrifugal forcetrue
- 4none of thesefalse
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Answer : 3. "centrifugal force"
Q: The velocity of wind is measured by –
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5ef1aedd7fed557ba2abd595- 1Hydrometerfalse
- 2Wind vanefalse
- 3Barometerfalse
- 4Anemometertrue
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Answer : 4. "Anemometer "
Q: What is the most effective conductor of electricity?
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5f86a8e8dcf12a01a1419787- 1Goldfalse
- 2Ironfalse
- 3Silvertrue
- 4Copperfalse
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Answer : 3. "Silver "
Q: Sun appears when rising and setting?
1401 05fe459e157a5647868b5ea39
5fe459e157a5647868b5ea39- 1Redtrue
- 2Bluefalse
- 3Blackfalse
- 4Yellowfalse
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Answer : 1. "Red"
Q: In 1962, who published 'The History of Ocean Basins', which outlined the theory of how tectonic plates could move, later called 'sea floor spreading'?
1393 064b51c41efb5ba166881e176
64b51c41efb5ba166881e176- 1George Edward Backusfalse
- 2Alfred Wegenerfalse
- 3Louis Bauerfalse
- 4Harry Hammond Hesstrue
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Answer : 4. "Harry Hammond Hess"
Explanation :
1. In 1962, Harry Hammond Hayes published 'The History of Ocean Basins'.
2. In this, the theory of plate tectonics was outlined and which was later also known as 'ocean bottom spreading'.
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