In a photoelectric effect experiment, if f is the frequency of radiations incident on the metal surface and I is the intensity of the incident radiations, then choose the correct statement(s).
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Question

In a photoelectric effect experiment, if f is the frequency of radiations incident on the metal surface and I is the intensity of the incident radiations, then choose the correct statement(s).

G1 Physics · Accepted Answer

At fixed frequency above threshold, increasing intensity increases the photon flux and hence the saturation current, but does not change Kₘₐₓ or the stopping potential. Frequency controls Kₘₐₓ through Kₘₐₓ = hν−φ. Final: A: If f is increased keeping I and work function constant then maximum kinetic energy of photoelectron increases.; C: If I is increased keeping f and work function constant then stopping potential remains same and saturation current increases.; D: Work function is decreased kee…