Physics Questions Practice Question and Answer
8 4 Q:
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649a9fbcc7d7c7e0672ba384 Answer : 2. "Geiger and Nuttall "
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Q: The method of transmission of heat is-
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5f8fcfb67793eb35d72651bc- 1Conductionfalse
- 2Convectionfalse
- 3Radiationfalse
- 4All of thesetrue
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Answer : 4. "All of these"
Q: What is the refractive index of diamond?
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5f6da978f9079a64e3c0a995- 11.77false
- 21.47false
- 31.44false
- 42.42true
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Answer : 4. "2.42"
Q: What is the color that is used in danger signals?
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5fe46a3d57a5647868b6522c- 1Yellow colorfalse
- 2Purple colorfalse
- 3Blue colorfalse
- 4Red colortrue
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Answer : 4. "Red color"
Q: Who gave the principle of relativity?
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616e80207424fb16794d2170- 1Einsteintrue
- 2Archimedesfalse
- 3Newtonfalse
- 4Pascalfalse
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Answer : 1. "Einstein"
Q: Who found an empirical relationship between the half-life of alpha decay and the energy of the emitted alpha particles in 1911?
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649a9fbcc7d7c7e0672ba384- 1Fermi and Meitnerfalse
- 2Geiger and Nuttalltrue
- 3Chadwick and Lawrencefalse
- 4Soddy and Astonfalse
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Answer : 2. "Geiger and Nuttall "
Explanation :
In 1911, Geiger and Nuttall discovered an empirical relationship between the half-life of alpha decay and the energy of the emitted alpha particles.
Q: Is light year unit?
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60b4b86af2c446136b8b764e- 1Timefalse
- 2massfalse
- 3Distancetrue
- 4none of thesefalse
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Answer : 3. "Distance"
Q: The instrument that measures and records the relative humidity of air is:
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6163f15a8c5cc30e6058a74c- 1Hygrometertrue
- 2Hydrometerfalse
- 3Lactometerfalse
- 4Barometerfalse
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Answer : 1. "Hygrometer"
Q: The value of the velocity of sound is the lowest.
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5f8fd0813ca2d767b181f610- 1Solidfalse
- 2Liquidfalse
- 3Gasestrue
- 4All of thesefalse
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Answer : 3. "Gases "
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