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MHT CET 2026 Physics question

PhysicsDual Nature of Matter and RadiationMHT CET 2026

Photoelectrons are emitted from two similar metal plates when wavelengths and are incident on them ( ). If maximum kinetic energy of emitted photoelectrons is E and E respectively then

Answer: (A)

Solution

Einstein's equation: and . Let ; then . So and , giving $ = -

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Question ID VK-096012