Physics Questions Practice Question and Answer
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Q: The sky appears blue die to
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5f06e5113f7f07047796139a- 1Refraction of lightfalse
- 2Scattering of lighttrue
- 3Diffraction of lightfalse
- 4Reflections of lightfalse
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Answer : 2. "Scattering of light"
Q: In which direction the rainbow is seen at 12 noon?
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5f04403a26cfc348bd6d79ce- 1In the Eastfalse
- 2It cannot be seentrue
- 3In the Westfalse
- 4In the Southfalse
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Answer : 2. "It cannot be seen"
Q: Radioactivity is measured by
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5f043dd026cfc348bd6d70ca- 1Seismometerfalse
- 2Ammeterfalse
- 3Hydrometerfalse
- 4Geiger Countertrue
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Answer : 4. "Geiger Counter "
Q: The Ratio of the total distance is travelled by a body to the total time taken by it is its.
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5f02b102e890ce63e579f6b6- 1Instantaneous velocityfalse
- 2Linear velocityfalse
- 3Average Speedtrue
- 4Accelerationfalse
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Answer : 3. "Average Speed"
Q: Alternating current is converted to direct current –
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5efc04d030aa3b4ee606c299- 1By Transformerfalse
- 2By Rectifiertrue
- 3By Dynamofalse
- 4By Motorfalse
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Answer : 2. "By Rectifier"
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 "
Q: If the resistance of a conductor is doubled , the current gets halved. This is because:
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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: A raised hammer possesses:
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5ef588c3d7fe8173219c62ec- 1Muscular Energyfalse
- 2Mechanical Energyfalse
- 3Potential Energytrue
- 4Kinetic Energyfalse
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Answer : 3. "Potential Energy"
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