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IMPORTANT
Earn 100

The time taken by a photoelectron to come out after the photon strikes is approximately
(a)
(b)
(c)
(d)

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Important Questions on Dual Nature of Radiation and Matter
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IMPORTANT
Continuous emission spectrum is produced by

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If the intensity of incident light is increased in photoelectric emission, then which of the following is true?

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The emission of electrons from a metal begins when green light is incident on it. The emission of electrons will be possible for which of the following group of colours?

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Emission of electrons by the absorption of heat energy is called ................. emission.

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Consider a beam of electrons (each electron with energy ) incident on a metal surface kept on an evacuated chamber. Then

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Identify the process in which an electron escapes from the metal surface.

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Thermionic emission is the liberation of _____ from an electrode by virtue of its temperature.

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IMPORTANT
Assertion: Photo-electric effect demonstrates particle nature of light.
Reason: Number of photons is proportional to frequency of photons.
