Physics Practice Question and Answer
8 Q: The best conductor of heat is?
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6137464a2421ea1e0c7df9fb- 1Silvertrue
- 2goldfalse
- 3copperfalse
- 4Aluminumfalse
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Answer : 1. "Silver"
Q: Mechanical Energy is:
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5f86a4cdb7ad805e26c17e96- 1The energy release during mechanical work.false
- 2The sum of kinetic energy and the potential energy of an object.true
- 3Equal to the rate of doing work.false
- 4The Energy absorbed during movement of a body.false
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Answer : 2. "The sum of kinetic energy and the potential energy of an object. "
Q: In which year did Albert Einstein predict a new state of matter, the Bose-Einstein condensate (BEC), based on a quantum formulation by the Indian physicist Satyendra Nath Bose?
1426 064c38ae6bd3d254806859ebd
64c38ae6bd3d254806859ebd- 11935false
- 21924true
- 31930false
- 41919false
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Answer : 2. "1924"
Explanation :
1. In which year did Albert Einstein predict a new state of matter, Bose-Einstein condensate (BEC) in 1924, based on the quantum formulation given by Indian physicist Satyendra Nath Bose?
2. Bose–Einstein condensate (BEC) is a state of matter in which a group of boson particles are in the same quantum state.
Q: Which of the following is not a unit of time?
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60b4b8fa7cb636175d3d12f6- 1light yeartrue
- 2leap yearfalse
- 3Moon monthfalse
- 4None of thesefalse
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Answer : 1. "light year"
Q: Gamma rays can cause
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5f2cdcc979b9e641a75fadc2- 1burningfalse
- 2feverfalse
- 3gene mutationtrue
- 4sneezingfalse
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Answer : 3. "gene mutation "
Q: Atomic bomb theory is based on-
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5fa55f0566bdb73670f4420c- 1on nuclear fusionfalse
- 2On nuclear fissiontrue
- 3Both of the abovefalse
- 4None of the abovefalse
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Answer : 2. "On nuclear fission"
Q: If the diameter of the capillary is doubled, then the height of the water surface in it rises-
1420 05f4ca0ae5e74bc4ee54e4187
5f4ca0ae5e74bc4ee54e4187- 1Doublesfalse
- 2It remains halftrue
- 3Not changedfalse
- 4Becomes zerofalse
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Answer : 2. "It remains half"
Q: The product of force and displacement is called—
1418 05f86a302b7ad805e26c163d8
5f86a302b7ad805e26c163d8- 1Accelerationfalse
- 2Worktrue
- 3Momentumfalse
- 4Weightfalse
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