Physics Questions Practice Question and Answer
8 4 Q:
5eec76f81dab100936f0c587 4 Q:
5ef58969d7fe8173219c639a 4 Q:
64c22eccd3a6d4481eebda27 Answer : 1. "kinetic"
4 Q:
5eec7bfe1dab100936f0ce9e 4 Q:
5f35fa7edcc3540833140951 4 Q:
5f86a4cdb7ad805e26c17e96 4 Q:
5f587180f13b91397f413467 4 Q:
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Q: Who has the maximum field of vision?
1850 05eec76f81dab100936f0c587
5eec76f81dab100936f0c587- 1plane mirrorfalse
- 2convex mirrortrue
- 3concave mirrorfalse
- 4All of themfalse
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Answer : 2. "convex mirror"
Q: If the resistance of a conductor is doubled , the current gets halved. This is because:
1848 05ef58969d7fe8173219c639a
5ef58969d7fe8173219c639a- 1I=V-Rfalse
- 2$$ I={v\over R}$$true
- 3I=VRfalse
- 4$$ I={R\over V}n$$false
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Answer : 2. "$$ I={v\over R}$$"
Q: Mechanical energy is the sum of potential energy and ______ energy.
1845 064c22eccd3a6d4481eebda27
64c22eccd3a6d4481eebda27- 1kinetictrue
- 2heatfalse
- 3electricalfalse
- 4chemicalfalse
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Answer : 1. "kinetic"
Explanation :
1. Mechanical energy is a combination of kinetic energy and potential energy.
2. Mechanical energy is defined as the sum of kinetic energy and potential energy used to do work on an object.
3. Mechanical energy is the form of energy that is related to the position and motion of an object.
Q: What is the Newton / kg unit?
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5eec7bfe1dab100936f0ce9e- 1velocityfalse
- 2Gravitational potentialfalse
- 3forcefalse
- 4accelerationtrue
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Answer : 4. "acceleration"
Q: What is measured in cusecs?
1837 05f35fa7edcc3540833140951
5f35fa7edcc3540833140951- 1Flow of watertrue
- 2Quantity of waterfalse
- 3Purity of waterfalse
- 4Depth of waterfalse
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Answer : 1. "Flow of water"
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: The ‘Choke’ is used with a tube light is basically
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5f587180f13b91397f413467- 1An inductortrue
- 2A capacitorfalse
- 3A transformerfalse
- 4A resistorfalse
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Answer : 1. "An inductor"
Q: Atomic bomb theory is based on-
1815 05fa55f0566bdb73670f4420c
5fa55f0566bdb73670f4420c- 1on nuclear fusionfalse
- 2On nuclear fissiontrue
- 3Both of the abovefalse
- 4None of the abovefalse
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Answer : 2. "On nuclear fission"
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