Physics Practice Question and Answer
8 4 Q:
64b51c41efb5ba166881e176 Answer : 4. "Harry Hammond Hess"
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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'?
1533 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'.
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: The method of transmission of heat is-
1525 05f8fcfb67793eb35d72651bc
5f8fcfb67793eb35d72651bc- 1Conductionfalse
- 2Convectionfalse
- 3Radiationfalse
- 4All of thesetrue
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Answer : 4. "All of these"
Q: Gamma rays can cause
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5f2cdcc979b9e641a75fadc2- 1burningfalse
- 2feverfalse
- 3gene mutationtrue
- 4sneezingfalse
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Answer : 3. "gene mutation "
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?
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5fe459e157a5647868b5ea39- 1Redtrue
- 2Bluefalse
- 3Blackfalse
- 4Yellowfalse
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Answer : 1. "Red"
Q: Who gave the principle of relativity?
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616e80207424fb16794d2170- 1Einsteintrue
- 2Archimedesfalse
- 3Newtonfalse
- 4Pascalfalse
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Answer : 1. "Einstein"
Q: Used in solar cooker?
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5f6da8ddec13dd74800548f7- 1concave mirrortrue
- 2convex mirrorfalse
- 3plane mirrorfalse
- 4None of thesefalse
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Answer : 1. "concave mirror"
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