Which one of the following statements is NOT true about photoelectric emission?

For a given emitter illuminated by light of a given frequency, the number of photoelectrons emitted per second is proportional to the intensity of incident light.

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For every emitter there is a definite threshold frequency below which no photoelectrons are emitted, no matter what the intensity of light is.

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Above the threshold frequency, the maximum kinetic energy of photoelectrons is proportional to the frequency of incident light.

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The saturation value of the photoelectric current is independent of the intensity of incident light.

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Solution

The correct option is D The saturation value of the photoelectric current is independent of the intensity of incident light.
As maximum photocurrent in experiment depends upon light intensity. Hence, option (d) is NOT true.

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Which one of the following statements is NOT true about photoelectric emission?

The correct option is D The saturation value of the photoelectric current is independent of the intensity of incident light.As maximum photocurrent in experiment depends upon light intensity. Hence, option (d) is NOT true.

The correct option is D The saturation value of the photoelectric current is independent of the intensity of incident light.
As maximum photocurrent in experiment depends upon light intensity. Hence, option (d) is NOT true.