Electrons are emitted in photoelectric effect from a metal surface

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11.Dual Nature of Radiation and matter

easy

The electrons are emitted in the photoelectric effect from a metal surface

A

Only if the frequency of the incident radiation is above a certain threshold value

B

Only if the temperature of the surface is high

C

At a rate that is independent of the nature of the metal

D

With a maximum velocity proportional to the frequency of the incident radiation

Solution

(a)Refer to threshold frequency.

Standard 12

Physics

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