Physics Questions Practice Question and Answer
8 4 Q:
5ed630094bd6e60aba33b5f7 4 Q:
5f48cb94cebf7d1232e8a30a 4 Answer : 1. "Frequency"
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5ee0cf998c4c964f73d9946e 4 Q:
5ee35bd6f72c0e153c8265d1 4 Q:
5eec7b1913d72d584fb8367e 4 Q:
5f06f28a3f7f070477964316 4 Q:
5f6da46aec13dd748004ce67
Q: A wooden spoon is dipped in a cup of ice-cream, then its other end
2228 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: An ice block with a piece of lead embedded in it floats in water. If ice melts the water level
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5f48cb94cebf7d1232e8a30a- 1Remains samefalse
- 2Falls first and then risesfalse
- 3Risesfalse
- 4Fallstrue
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Answer : 4. " Falls "
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:
907 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 –
1589 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?
909 05eec7b1913d72d584fb8367e
5eec7b1913d72d584fb8367e- 1Celsiusfalse
- 2Calvinfalse
- 3Fahrenheitfalse
- 4All thesetrue
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Answer : 4. "All these"
Q: Who invented electromagnetic theory?
1200 05f06f28a3f7f070477964316
5f06f28a3f7f070477964316- 1Thomas Alva additionfalse
- 2J. J. Thomsonfalse
- 3Michael Faradaytrue
- 4None of thesefalse
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Answer : 3. "Michael Faraday "
Q: Is the image formed by a plane mirror always?
767 05f6da46aec13dd748004ce67
5f6da46aec13dd748004ce67- 1virtual and vice versafalse
- 2Real and directfalse
- 3direct and virtualtrue
- 4Actualfalse
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Answer : 3. "direct and virtual"
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