Physics Practice Question and Answer
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Q: In which direction the rainbow is seen at 12 noon?
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5f04403a26cfc348bd6d79ce- 1In the Eastfalse
- 2It cannot be seentrue
- 3In the Westfalse
- 4In the Southfalse
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Answer : 2. "It cannot be seen"
Q: Whose unit is Farad?
3151 05eec7f11eee45c3b837fa196
5eec7f11eee45c3b837fa196- 1Conductivityfalse
- 2resistancefalse
- 3Motivationfalse
- 4Capacitytrue
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Answer : 4. "Capacity"
Q: Radioactivity is measured by
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5f043dd026cfc348bd6d70ca- 1Seismometerfalse
- 2Ammeterfalse
- 3Hydrometerfalse
- 4Geiger Countertrue
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Answer : 4. "Geiger Counter "
Q: Transformer works on which principle?
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5f17e87179d4dd4986ec2bcf- 1Magnetismfalse
- 2Mutual inductiontrue
- 3Self inductionfalse
- 4Stimulatefalse
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Answer : 2. "Mutual induction"
Q: The purpose of Choke in tube light is
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5edf132c71a5bd73c30dc5e8- 1To decrease the currentfalse
- 2To increase the currentfalse
- 3To decrease the voltage momentarilyfalse
- 4To increase the voltage momentarilytrue
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Answer : 4. "To increase the voltage momentarily"
Q: A flying aeroplane has _____.
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5f48d21f036b8a325d1de31b- 1only potential energyfalse
- 2only kinetic energyfalse
- 3neither potential nor kineticfalse
- 4both potential and kinetic energytrue
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Answer : 4. "both potential and kinetic energy "
Q: kilohertz is a unit which measures
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5edeffe08c4c964f73d39618- 1power used by a current of one amperefalse
- 2electromagnetic radio wave frequenciestrue
- 3voltagefalse
- 4electric resistancefalse
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Answer : 2. "electromagnetic radio wave frequencies"
Q: An ice block with a piece of lead embedded in it floats in water. If ice melts the water level
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5f48cb94cebf7d1232e8a30a- 1Remains samefalse
- 2Falls first and then risesfalse
- 3Risesfalse
- 4Fallstrue
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Answer : 4. " Falls "
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