Physics Practice Question and Answer
8 4 Q:
5eec7b1913d72d584fb8367e 4 Q:
63c910807efeed32fc20e26c 4 Q:
60b4ba0f517f2874d53f6fd4 4 Q:
64c22eccd3a6d4481eebda27 Answer : 1. "kinetic"
4 Q:
5f571942df171125cbc17f3c 4 Q:
5fe45c0c57a5647868b60225 4 Q:
5fe41ba09f9e9d787c92b3ac 4 Q:
642c1a37dcb650c1457945eb
Q: Which of the following is a unit of heat?
1560 05eec7b1913d72d584fb8367e
5eec7b1913d72d584fb8367e- 1Celsiusfalse
- 2Calvinfalse
- 3Fahrenheitfalse
- 4All thesetrue
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Answer : 4. "All these"
Q: Choose the correct statement
1552 063c910807efeed32fc20e26c
63c910807efeed32fc20e26c- 1A body can be accelerated by frictional forcefalse
- 2There can be zero frictionfalse
- 3Kinetic friction is greater than rolling frictiontrue
- 4Frictional force and area of contact between the two surfaces are proportionalfalse
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Answer : 3. "Kinetic friction is greater than rolling friction "
Q: When was the international system of units implemented?
1550 060b4ba0f517f2874d53f6fd4
60b4ba0f517f2874d53f6fd4- 11965false
- 21971true
- 31991false
- 41985false
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Answer : 2. "1971"
Q: Mechanical energy is the sum of potential energy and ______ energy.
1549 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 constitutes current in a metal wire.
1548 05f571942df171125cbc17f3c
5f571942df171125cbc17f3c- 1neutronsfalse
- 2protonsfalse
- 3electronstrue
- 4None of thesefalse
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Answer : 3. "electrons"
Q: What type of magnet is used in commercial motors?
1547 05fe45c0c57a5647868b60225
5fe45c0c57a5647868b60225- 1Permanent magnetfalse
- 2umbilical magnetfalse
- 3electromagnettrue
- 4Common rod magnetfalse
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Answer : 3. "electromagnet"
Q: is the unit of resistivity?
1543 05fe41ba09f9e9d787c92b3ac
5fe41ba09f9e9d787c92b3ac- 1Aom-metertrue
- 2Aom / meterfalse
- 3meterfalse
- 4None of thesefalse
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Answer : 1. "Aom-meter"
Q: The splitting of white light into its component colours is called ______.
1542 0642c1a37dcb650c1457945eb
642c1a37dcb650c1457945eb- 1refractionfalse
- 2reflectionfalse
- 3scatteringfalse
- 4Dispersiontrue
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Answer : 4. "Dispersion"
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