Physics Questions Practice Question and Answer
8 4 Q:
649a9fbcc7d7c7e0672ba384 Answer : 2. "Geiger and Nuttall "
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Q: Who found an empirical relationship between the half-life of alpha decay and the energy of the emitted alpha particles in 1911?
1135 0649a9fbcc7d7c7e0672ba384
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: Who gave the principle of relativity?
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616e80207424fb16794d2170- 1Einsteintrue
- 2Archimedesfalse
- 3Newtonfalse
- 4Pascalfalse
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Answer : 1. "Einstein"
Q: Archimedes' law is related to which of the following?
1132 06137378d2421ea1e0c7db283
6137378d2421ea1e0c7db283- 1Law of Gravityfalse
- 2Law of right angled trianglefalse
- 3Law of Flotationtrue
- 4none of thesefalse
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Answer : 3. "Law of Flotation"
Q: Pressure is measured in terms of
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6066cbdb2b4b7e646bfc893a- 1Mass and Densityfalse
- 2Work donefalse
- 3Force and Areatrue
- 4Force and Distancefalse
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Answer : 3. "Force and Area"
Q: A 1 kg object is dropped from a height of 30 meters to the ground. The work done by the force of gravity will be
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5f86a39bb7ad805e26c16cb0- 130 Jfalse
- 210 Jfalse
- 30.33 Jfalse
- 4300 Jtrue
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Answer : 4. "300 J"
Q: Which of the following produces more flame?
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6137474b576b113a3f9cd690- 1Steamtrue
- 2hot airfalse
- 3Sun raysfalse
- 4All thesefalse
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Answer : 1. "Steam"
Q: The unit of work is
1118 160b4b816f2c446136b8b757d
60b4b816f2c446136b8b757d- 1Wattsfalse
- 2Jouletrue
- 3Newtonfalse
- 4amperefalse
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Answer : 2. "Joule"
Q: Creates a smaller image than the object?
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5f6da3be5256e8407c2e4412- 1convex mirrorfalse
- 2concave mirrorfalse
- 3plane mirrorfalse
- 4Convex mirror and concave mirrortrue
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Answer : 4. "Convex mirror and concave mirror"
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