Modern Physics
- The phenomenon of ejection of electrons from the surface of metals, when light of suitable wavelength falls on it, is known as
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NA
Correct Option: C
NA
- Which of the following phenomena is observed when black discharge occurs in a discharge tube ?
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NA
Correct Option: A
NA
- In a discharge tube, ionization of enclosed gas is produced due to collisions between
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NA
Correct Option: C
NA
- Nuclear fusion is the source of energy in
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NA
Correct Option: D
NA
- In a nuclear reactor, cadmium rods are used to
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NA
Correct Option: C
NA