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MHT CET Physics question

PhysicsDual Nature of Matter and RadiationMHT CET

Light of wavelength 4000 Å is incident on a sodium surface for which the threshold wavelength of photoelectrons is 5420 Å. The work function of sodium is

Answer: (C)

Solution

The work function depends only on the threshold wavelength: eV (the

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Question ID VK-083643