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MHT CET Physics question

PhysicsDual Nature of Matter and RadiationMHT CET

The de–Broglie wavelength of a particle moving with a velocity m/s is equal to the wavelength of photon. The ratio of kinetic energy of the particle to the energy of the photon is (velocity of light is m/s)

Answer: (B)

Solution

Equal wavelengths mean equal momentum ; photon energy and particle KE , so the

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Question ID VK-084433