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MHT CET Physics question

PhysicsDual Nature of Matter and RadiationMHT CET

According to de-Broglie hypothesis, the wavelength associated with moving electron of mass is . Using mass-energy relation and Planck's quantum theory, the wavelength associated with photon is . If the energy () of electron and photon is same, then relation between and is [MHTCET 2017]

Answer: (B)

Solution

and , so

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Question ID VK-083710