Physics Questions Practice Question and Answer
8 4 Q:
5f4cd6195e74bc4ee54f565f 4 Q:
5ee35a6df72c0e153c825d5c 4 Q:
5f043dd026cfc348bd6d70ca 4 Answer : 1. "Frequency"
4 Q:
5ee0cf998c4c964f73d9946e 4 Q:
5ee35bd6f72c0e153c8265d1 4 Q:
5eec7b1913d72d584fb8367e 4 Q:
5f06f28a3f7f070477964316
Q: Alum is used as:
938 15f4cd6195e74bc4ee54f565f
5f4cd6195e74bc4ee54f565f- 1a disinfectantfalse
- 2a purifier for watertrue
- 3an analgesicfalse
- 4a fertilizerfalse
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Answer : 2. "a purifier for water "
Q: Fathometer is used to measure
1576 05ee35a6df72c0e153c825d5c
5ee35a6df72c0e153c825d5c- 1Earthquakefalse
- 2Rainfalse
- 3Depth of seatrue
- 4Sound intensityfalse
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Answer : 3. "Depth of sea "
Q: Radioactivity is measured by
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5f043dd026cfc348bd6d70ca- 1Seismometerfalse
- 2Ammeterfalse
- 3Hydrometerfalse
- 4Geiger Countertrue
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Answer : 4. "Geiger Counter "
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.
Q: When water is heated from 0°C to 4°C, its volume:
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5ee0cf998c4c964f73d9946e- 1first increases then decreasesfalse
- 2remains the samefalse
- 3increasesfalse
- 4decreasestrue
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Answer : 4. "decreases"
Q: The time period of a pendulum –
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5ee35bd6f72c0e153c8265d1- 1Depends on the massfalse
- 2Depends on its lengthtrue
- 3Depends on timefalse
- 4Depends on temperaturefalse
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Answer : 2. " Depends on its length "
Q: Which of the following is a unit of heat?
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5eec7b1913d72d584fb8367e- 1Celsiusfalse
- 2Calvinfalse
- 3Fahrenheitfalse
- 4All thesetrue
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Answer : 4. "All these"
Q: Who invented electromagnetic theory?
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5f06f28a3f7f070477964316- 1Thomas Alva additionfalse
- 2J. J. Thomsonfalse
- 3Michael Faradaytrue
- 4None of thesefalse
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Answer : 3. "Michael Faraday "
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