Physics Practice Question and Answer
8 Q: Identify the correct statement.
1321 164c24ac166a41f484c177c91
64c24ac166a41f484c177c91- 1The resistance of a wire depends on the length and density of the wire.false
- 2Specific resistance is the same for all conductors.false
- 3Resistance of a wire depends on the length and cross-section of the wire.true
- 4Specific resistance is dependent on the cross-sectional area of the wire.false
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Answer : 3. "Resistance of a wire depends on the length and cross-section of the wire."
Explanation :
1. Resistance of a wire depends on the length and cross-section of the wire.
Q: Alum is used as:
1317 15f4cd6195e74bc4ee54f565f
5f4cd6195e74bc4ee54f565f- 1a disinfectantfalse
- 2a purifier for watertrue
- 3an analgesicfalse
- 4a fertilizerfalse
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Answer : 2. "a purifier for water "
Q: Farad is unit of ___________.
1315 062de747c8c996774cb934336
62de747c8c996774cb934336- 1Capacitancetrue
- 2Reactancefalse
- 3Electric chargefalse
- 4Electric conductancefalse
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Answer : 1. "Capacitance"
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?
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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: What is the meaning of the Olympic symbol?
1312 0612371bb6de6c114f788c805
612371bb6de6c114f788c805- 1Continuitytrue
- 2Integrityfalse
- 3urge to playfalse
- 4Challengefalse
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Answer : 1. "Continuity"
Q: What force is used to remove cream from milk?
1311 06137381c576b113a3f9c8791
6137381c576b113a3f9c8791- 1frictional forcefalse
- 2Centripetal forcefalse
- 3centrifugal forcetrue
- 4none of thesefalse
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Answer : 3. "centrifugal force"
Q: Which is the unit of pressure?
1308 060b4b94c7cb636175d3d1369
60b4b94c7cb636175d3d1369- 1Dinefalse
- 2Joulefalse
- 3Wattfalse
- 4Pascaltrue
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Answer : 4. "Pascal"
Q: is the unit of resistivity?
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5fe41ba09f9e9d787c92b3ac- 1Aom-metertrue
- 2Aom / meterfalse
- 3meterfalse
- 4None of thesefalse
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