Physics Questions Practice Question and Answer
8 4 Q:
5f43691b09e4377de92ed2c6 4 Q:
5ed630094bd6e60aba33b5f7 4 Q:
5ef58969d7fe8173219c639a 4 Answer : 1. "Frequency"
4 Q:
5ee0cf998c4c964f73d9946e 4 Q:
5ee35bd6f72c0e153c8265d1 4 Q:
5eec7b1913d72d584fb8367e 4 Q:
5f06f28a3f7f070477964316
Q: Which among the following is a vector quantity?
961 05f43691b09e4377de92ed2c6
5f43691b09e4377de92ed2c6- 1Heatfalse
- 2Workfalse
- 3Angular momentumtrue
- 4Timefalse
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Answer : 3. "Angular momentum "
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: If the resistance of a conductor is doubled , the current gets halved. This is because:
996 05ef58969d7fe8173219c639a
5ef58969d7fe8173219c639a- 1I=V-Rfalse
- 2$$ I={v\over R}$$true
- 3I=VRfalse
- 4$$ I={R\over V}n$$false
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Answer : 2. "$$ I={v\over R}$$"
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:
853 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?
856 05eec7b1913d72d584fb8367e
5eec7b1913d72d584fb8367e- 1Celsiusfalse
- 2Calvinfalse
- 3Fahrenheitfalse
- 4All thesetrue
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Answer : 4. "All these"
Q: Who invented electromagnetic theory?
1150 05f06f28a3f7f070477964316
5f06f28a3f7f070477964316- 1Thomas Alva additionfalse
- 2J. J. Thomsonfalse
- 3Michael Faradaytrue
- 4None of thesefalse
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Answer : 3. "Michael Faraday "
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