Physics Questions Practice Question and Answer
8 4 Q:
5f17e87179d4dd4986ec2bcf 4 Q:
5ee0d8c01541492ae598171a 4 Q:
5eec7f11eee45c3b837fa196 4 Answer : 1. "Frequency"
4 Q:
5ee0cf998c4c964f73d9946e 4 Q:
5ee35bd6f72c0e153c8265d1 4 Q:
5eec7b1913d72d584fb8367e 4 Q:
5f06f28a3f7f070477964316
Q: Transformer works on which principle?
3289 15f17e87179d4dd4986ec2bcf
5f17e87179d4dd4986ec2bcf- 1Magnetismfalse
- 2Mutual inductiontrue
- 3Self inductionfalse
- 4Stimulatefalse
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Answer : 2. "Mutual induction"
Q: Satellite is kept moving in its orbit around the Earth, it is due to –
1773 05ee0d8c01541492ae598171a
5ee0d8c01541492ae598171a- 1Gravitational Force or lack of itfalse
- 2Some other Forcesfalse
- 3Centrifugal Forcefalse
- 4Centripetal Forcetrue
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Answer : 4. "Centripetal Force "
Q: Whose unit is Farad?
3328 05eec7f11eee45c3b837fa196
5eec7f11eee45c3b837fa196- 1Conductivityfalse
- 2resistancefalse
- 3Motivationfalse
- 4Capacitytrue
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Answer : 4. "Capacity"
Q: Megahertz is a measurement of 1299 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:
906 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 –
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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?
909 05eec7b1913d72d584fb8367e
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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