Home Physics Electron, Photon, Photoelectric Effect and X-rays NCERT The figure shows the variation of photocurre…
Physics Electron, Photon, Photoelectric Effect and X-rays NCERT MCQ (Single Correct)

The figure shows the variation of photocurrent with anode potential for a photo‐sensitive surface for three different radiations. Let and be the intensities and and be the frequencies for the curves and respectively

A
and
B
and
C
and
D
and

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The correct answer is:
A

The stopping potential for curves a and is same.

Also saturation current is proportional to intensity

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