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MHT CET Physics question

PhysicsDual Nature of Matter and RadiationMHT CET

Light of wavelength 4000 Å is incident on a metal plate whose work function is 2 eV. The maximum KE of the emitted photoelectron would be

Answer: (B)

Solution

Photon energy eV, so eV; 0.5,

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Question ID VK-083639