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MHT CET Physics question

PhysicsDual Nature of Matter and RadiationMHT CET

When photons of energy fall on a metal plate of work function , photoelectrons of maximum kinetic energy are ejected. If the frequency of the radiation is doubled, the maximum kinetic energy of the ejected photoelectrons will be [MHTCET 2019]

Answer: (B)

Solution

, so ; equals itself,

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Question ID VK-083704