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Q.

Which of the following statements are incorrect about the photoelectric effect ?

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a

The number of photoelectrons in proportional to the energy of light incident

b

Highly electropositive metals like cesium can easily exhibit photoelectric effect

c

The kinetic energy of photo electron depends on nature of metal

d

The kinetic energy of photoelectron is proportional to the intensity of light

answer is B, C.

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Detailed Solution

No. of photo electrons depends on intensity of light and kinetic energy of photo electrons depends on frequency of radiation.

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Which of the following statements are incorrect about the photoelectric effect ?