Physics Questions Practice Question and Answer
8 Q: What type of energy is used to perform bodily functions?
945 060b4b0f6517f2874d53f51b2
60b4b0f6517f2874d53f51b2- 1electric energyfalse
- 2Solar energyfalse
- 3muscle energytrue
- 4Chemical energyfalse
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Answer : 3. "muscle energy"
Q: The sum of the change in kinetic and potential energy is always-
940 0608929c2fd171c780883f502
608929c2fd171c780883f502- 1Zerotrue
- 2Positivefalse
- 3Negativefalse
- 4None of the abovefalse
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Answer : 1. "Zero "
Q: Who is considered as the ultimate source of all forms of energy?
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60b4b23cc6545e407514f717- 1Coalfalse
- 2Atomfalse
- 3Waterfalse
- 4Suntrue
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Answer : 4. "Sun"
Q: Consider an inductor whose linear dimensions are tripled and the total number of turns per unit length is kept constant, what happens to the self-inductance?
935 063c8df46bdbddb32fda053ad
63c8df46bdbddb32fda053ad- 19 timesfalse
- 23 timestrue
- 327 timesfalse
- 41/3 timesfalse
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Answer : 2. "3 times "
Q: Degree of dissociation does not depend on which of the following factors?
926 063c7cd09b338bc336f093b86
63c7cd09b338bc336f093b86- 1Nature of the solutefalse
- 2Nature of the solventfalse
- 3Soundtrue
- 4Concentrationfalse
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Answer : 3. "Sound "
Explanation :
The Degree of dissociation does not depend on catalyst.The equivalent conductivity of 0.1M weak acid is 100 times less than that at infinite dilution.
Q: Which of the following is correct about uniform acceleration?
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64a2adc98dcbe3218b096682- 1An object moving on friction-less surface can gain uniform acceleration.false
- 2An object under free fall is an example of uniform acceleration.true
- 3An object moving with constant speed is an example of uniform acceleration.false
- 4Motion of a spring is an example of uniform acceleration.false
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Answer : 2. "An object under free fall is an example of uniform acceleration."
Explanation :
1. The change in velocity of an object at equal time intervals is called uniform acceleration.
2. A freely falling object is an example of uniform acceleration.
Q: What is the nature of real reflection?
919 05f6da372f9079a64e3c04432
5f6da372f9079a64e3c04432- 1Reversetrue
- 2straightfalse
- 3upright and upside downfalse
- 4None of thesefalse
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Answer : 1. "Reverse"
Q: Which of the following is the best conductor of heat?
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616559a93d260361529affd0- 1Leatherfalse
- 2Benzenefalse
- 3Mercurytrue
- 4Waterfalse
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