Physics Practice Question and Answer
8 4 Q:
5f0fe439c06d532785e20384 4 Q:
5edeffe08c4c964f73d39618 4 Q:
5eec7ac813d72d584fb8347d 4 Answer : 1. "Frequency"
4 Q:
5edeff6eca41b347ed2f4ed9 4 Q:
5edf132c71a5bd73c30dc5e8 4 Q:
5ee88a3679b5ea388bed4575 4 Q:
5efc03c9196e681f76e98e77
Q: Ice is packed in sawdust because___
1649 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: kilohertz is a unit which measures
2372 05edeffe08c4c964f73d39618
5edeffe08c4c964f73d39618- 1power used by a current of one amperefalse
- 2electromagnetic radio wave frequenciestrue
- 3voltagefalse
- 4electric resistancefalse
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Answer : 2. "electromagnetic radio wave frequencies"
Q: Example of complementary unit?
1876 15eec7ac813d72d584fb8347d
5eec7ac813d72d584fb8347d- 1forcefalse
- 2heatfalse
- 3Angletrue
- 4pressurefalse
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Answer : 3. "Angle"
Q: Megahertz is a measurement of 1291 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: One fathom is equal to
2190 05edeff6eca41b347ed2f4ed9
5edeff6eca41b347ed2f4ed9- 16 metersfalse
- 26 feettrue
- 360 feetfalse
- 4100 cmfalse
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Answer : 2. "6 feet"
Q: The purpose of Choke in tube light is
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5edf132c71a5bd73c30dc5e8- 1To decrease the currentfalse
- 2To increase the currentfalse
- 3To decrease the voltage momentarilyfalse
- 4To increase the voltage momentarilytrue
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Answer : 4. "To increase the voltage momentarily"
Q: What happens to the speed of a cycle when it travels on a rough surface?
927 05ee88a3679b5ea388bed4575
5ee88a3679b5ea388bed4575- 1Increasesfalse
- 2Decreasestrue
- 3Remains the samefalse
- 4None of thesefalse
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Answer : 2. "Decreases"
Q: What is the decibel level of sound produced by two persons in conversation?
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5efc03c9196e681f76e98e77- 1About 30 decibelstrue
- 2About 100 decibelsfalse
- 3About 5 decibelsfalse
- 4About 10 decibelsfalse
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Answer : 1. "About 30 decibels "
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