Physics Questions Practice Question and Answer
8 4 Q:
5eec76a3eee45c3b837f7bc5 4 Q:
5ef1b0907fed557ba2abd8a3 4 Q:
5ed630094bd6e60aba33b5f7 4 Q:
5eec7a129857693341407ce2 4 Answer : 1. "Frequency"
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5ee0cf998c4c964f73d9946e 4 Q:
5ee35bd6f72c0e153c8265d1 4 Q:
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Q: Convex lens is used?
790 05eec76a3eee45c3b837f7bc5
5eec76a3eee45c3b837f7bc5- 1To correct the vision defect in human eyefalse
- 2Visionaryfalse
- 3under microscopefalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: How many calories are gained by drinking a glass of water?
2022 05ef1b0907fed557ba2abd8a3
5ef1b0907fed557ba2abd8a3- 125false
- 250false
- 30true
- 415false
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Answer : 3. "0 "
Q: A wooden spoon is dipped in a cup of ice-cream, then its other end
2181 05ed630094bd6e60aba33b5f7
5ed630094bd6e60aba33b5f7- 1does not become coldtrue
- 2becomes cold by the process of conductionfalse
- 3becomes cold by the process of convectionfalse
- 4becomes cold by the process of radiationfalse
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Answer : 1. "does not become cold "
Q: Image formed on retina in human eye?
1195 05eec7a129857693341407ce2
5eec7a129857693341407ce2- 1is inverted only appears upside downfalse
- 2is upright but gives inverted image.true
- 3Inverted but directly visiblefalse
- 4is straightfalse
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Answer : 2. "is upright but gives inverted image."
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:
852 05ee0cf998c4c964f73d9946e
5ee0cf998c4c964f73d9946e- 1first increases then decreasesfalse
- 2remains the samefalse
- 3increasesfalse
- 4decreasestrue
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Answer : 4. "decreases"
Q: The time period of a pendulum –
1539 05ee35bd6f72c0e153c8265d1
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"
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