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MHT CET 2026 Physics question

PhysicsDual Nature of Matter and RadiationMHT CET 2026

The kinetic energy of a free electron increases to 3 times the previous K.E. The ratio of new de-Broglie wavelength to previous de-Broglie wavelength is

Answer: (A)

Solution

The de Broglie wavelength is , so . With : $ = =

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Question ID VK-100099