Physics Questions Practice Question and Answer
8 4 Q:
613738ae5ee3b079c605a054 4 Q:
6137381c576b113a3f9c8791 4 Q:
6137378d2421ea1e0c7db283 4 Q:
613730935ee3b079c605775f 4 Q:
613728015ee3b079c605466d 4 Q:
6113d437f65c04691bf37c32 4 Q:
60ffbd12d984302df240ac39 4 Answer : 1. "Frequency"
Q: The energy of the Sun is produced by?
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613738ae5ee3b079c605a054- 1by oxidationfalse
- 2by nuclear fissionfalse
- 3by ionizationfalse
- 4by nuclear fusiontrue
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Answer : 4. "by nuclear fusion"
Q: What force is used to remove cream from milk?
842 06137381c576b113a3f9c8791
6137381c576b113a3f9c8791- 1frictional forcefalse
- 2Centripetal forcefalse
- 3centrifugal forcetrue
- 4none of thesefalse
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Answer : 3. "centrifugal force"
Q: Archimedes' law is related to which of the following?
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6137378d2421ea1e0c7db283- 1Law of Gravityfalse
- 2Law of right angled trianglefalse
- 3Law of Flotationtrue
- 4none of thesefalse
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Answer : 3. "Law of Flotation"
Q: What is measured by cusec?
718 0613730935ee3b079c605775f
613730935ee3b079c605775f- 1flow of watertrue
- 2depth of waterfalse
- 3Quantity of waterfalse
- 4Purity of waterfalse
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Answer : 1. "flow of water"
Q: Rocket works on the principle of
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613728015ee3b079c605466d- 1energy conservationfalse
- 2Bernoulli theoremfalse
- 3momentum conservationtrue
- 4none of thesefalse
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Answer : 3. "momentum conservation"
Q: Which of the following is false with reference to a photo-voltaic cell?
823 06113d437f65c04691bf37c32
6113d437f65c04691bf37c32- 1It can store light energy in the form of electrical energyfalse
- 2It converts electric energy into light energytrue
- 3It is another name as solar cellfalse
- 4It can be used as infra-red detectorsfalse
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Answer : 2. "It converts electric energy into light energy"
Q: The power of a lens is -2.0 D. Here ‘D’ stands for ________.
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60ffbd12d984302df240ac39- 1distancefalse
- 2dilationfalse
- 3dioptretrue
- 4degreefalse
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Answer : 3. "dioptre"
Q: Megahertz is a measurement of 1253 05b5cc607e4d2b4197774b51e
5b5cc607e4d2b4197774b51e- 1Frequencytrue
- 2Speedfalse
- 3Wavelengthfalse
- 4Capacityfalse
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Answer : 1. "Frequency"
Explanation :
Answer: A) Frequency Explanation: Megahertz is used to measure wave frequencies, as well as the speed of microprocessors. One MHz represents one million cycles per second. The speed of microprocessors, called the clock speed.
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