Physics Practice Question and Answer
8 4 Q:
6113d437f65c04691bf37c32 4 Q:
60ffbd12d984302df240ac39 4 Answer : 1. "Frequency"
4 Q:
60b4bf8dc6545e40751526af 4 Q:
60b4bf367cb636175d3d273b 4 Q:
60b4bee2f2c446136b8b88a6 4 Q:
60b4bea07cb636175d3d2475 4 Q:
60b4be357cb636175d3d222d
Q: Which of the following is false with reference to a photo-voltaic cell?
898 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 ________.
756 060ffbd12d984302df240ac39
60ffbd12d984302df240ac39- 1distancefalse
- 2dilationfalse
- 3dioptretrue
- 4degreefalse
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Answer : 3. "dioptre"
Q: Megahertz is a measurement of 1328 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.
Q: is a scalar?
1820 060b4bf8dc6545e40751526af
60b4bf8dc6545e40751526af- 1Force momentfalse
- 2energytrue
- 3momentumfalse
- 4All thesefalse
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Answer : 2. "energy"
Q: Which one of the following is not a vector amount?
1726 260b4bf367cb636175d3d273b
60b4bf367cb636175d3d273b- 1velocityfalse
- 2momentumfalse
- 3masstrue
- 4angular velocityfalse
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Answer : 3. "mass"
Q: Which of the following is a vector quantity?
1758 160b4bee2f2c446136b8b88a6
60b4bee2f2c446136b8b88a6- 1Energyfalse
- 2temperaturefalse
- 3forcetrue
- 4speedfalse
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Answer : 3. "force"
Q: What is the unit of measurement of ampere?
1796 060b4bea07cb636175d3d2475
60b4bea07cb636175d3d2475- 1Currenttrue
- 2resistancefalse
- 3Powerfalse
- 4voltagefalse
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Answer : 1. "Current"
Q: What is the unit of power of the lens in SI method?
1734 060b4be357cb636175d3d222d
60b4be357cb636175d3d222d- 1Wattsfalse
- 2Opterfalse
- 3diopterstrue
- 4Newtonfalse
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Answer : 3. "diopters"
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