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Q.

The photoelectric effect supports quantum nature of light because

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a

There is a minimum frequency of light below which no photoelectrons are emitted

b

Even when metal surface is faintly illuminated the photoelectrons leave the surface immediately

c

Electric charge of photoelectrons is quantized

d

The maximum kinetic energy of photoelectrons depends only on the frequency of light are not on its intensity

answer is B.

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Detailed Solution

Photo electric effect directly explained by quantum theory or quantum concept of radiation and kinetic energy emits photons is proportional to frequency of emitted radiation

KE α ϑ

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