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MHT CET Physics question

PhysicsDual Nature of Matter and RadiationMHT CET

The work functions for metals A, B and C are respectively, 1.92 eV, 2.0 eV and 5 eV. According to Einstein's equation, the metal(S) which will emit photoelectrons for a radiation of wavelength 4100 A is/are

Answer: (B)

Solution

Photon energy eV, which exceeds the work functions of A (1.92 eV) and B (2.0 eV) but not that of C (5

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Question ID VK-083647