Physics Practice Question and Answer
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Q: Which one of the following SI unit is not correctly matched?
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5f155170eddbc50839d4bfb1- 1Mass-Kgfalse
- 2Pressure–Dynetrue
- 3Work-Joulefalse
- 4Force-Newtonfalse
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Answer : 2. "Pressure–Dyne"
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: One fathom is equal to
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5edeff6eca41b347ed2f4ed9- 16 metersfalse
- 26 feettrue
- 360 feetfalse
- 4100 cmfalse
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Answer : 2. "6 feet"
Q: is a scalar?
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60b4bf8dc6545e40751526af- 1Force momentfalse
- 2energytrue
- 3momentumfalse
- 4All thesefalse
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Answer : 2. "energy"
Q: What is the unit of measurement of ampere?
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60b4bea07cb636175d3d2475- 1Currenttrue
- 2resistancefalse
- 3Powerfalse
- 4voltagefalse
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Answer : 1. "Current"
Q: What type of spectrum is the rainbow?
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5fe45a751722ec7974609245- 1Natural Spectrumtrue
- 2Artificial spectrafalse
- 3Artificial spectra and natural spectrafalse
- 4All the statements are truefalse
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Answer : 1. "Natural Spectrum"
Q: Boyle's Law holds good for any gas at
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5f48cc246608aa6311bf9677- 1Low temperature and high pressurestrue
- 2Low temperature and low pressuresfalse
- 3High temperature and low pressuresfalse
- 4High temperature and high pressuresfalse
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Answer : 1. "Low temperature and high pressures "
Q: What is the unit of power of the lens in SI method?
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60b4be357cb636175d3d222d- 1Wattsfalse
- 2Opterfalse
- 3diopterstrue
- 4Newtonfalse
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Answer : 3. "diopters"
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