Physics Practice Question and Answer
8 4 Q:
5ee86b3581b3dd0cad84b919 4 Q:
5f0fe439c06d532785e20384 4 Answer : 1. "Frequency"
4 Q:
5f435e1609e4377de92e5bd1 4 Q:
613744cc5ee3b079c605dda6 4 Q:
5ee35bd6f72c0e153c8265d1 4 Q:
5f48cf3e6608aa6311bfb0c6 4 Q:
61374167576b113a3f9cb375
Q: In the following is not an example of refraction of light.
2250 05ee86b3581b3dd0cad84b919
5ee86b3581b3dd0cad84b919- 1Twinkling effect of starsfalse
- 2Miragesfalse
- 3Bending of light while passing through a mediumfalse
- 4lateral inversiontrue
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Answer : 4. "lateral inversion"
Q: Ice is packed in sawdust because___
2238 05f0fe439c06d532785e20384
5f0fe439c06d532785e20384- 1Sawdust does not stick to the icefalse
- 2Sawdust will not get melt easilyfalse
- 3Sawdust is a good conductor of heatfalse
- 4Sawdust is a poor conductor of heattrue
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Answer : 4. "Sawdust is a poor conductor of heat"
Q: Megahertz is a measurement of 2231 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 a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are
2183 05f435e1609e4377de92e5bd1
5f435e1609e4377de92e5bd1- 1longitudinalfalse
- 2waves are not producedfalse
- 3Both longitudinal and transversefalse
- 4transversetrue
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Answer : 4. "transverse"
Q: One horse power is equal to how many watts?
2152 0613744cc5ee3b079c605dda6
613744cc5ee3b079c605dda6- 1450 wattsfalse
- 2600 wattsfalse
- 3734 wattsfalse
- 4746 wattstrue
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Answer : 4. "746 watts"
Q: The time period of a pendulum –
2113 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: What is the orbital velocity of the geostationary satellite?
2090 05f48cf3e6608aa6311bfb0c6
5f48cf3e6608aa6311bfb0c6- 13.08 km /strue
- 26.66 km /sfalse
- 34.15 km /sfalse
- 42.78 km /sfalse
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Answer : 1. "3.08 km /s "
Q: Which scientist first melted two pieces of ice by rubbing them together?
2087 061374167576b113a3f9cb375
61374167576b113a3f9cb375- 1Celsiusfalse
- 2Joulefalse
- 3Davytrue
- 4none of thesefalse
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Answer : 3. "Davy"
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