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CSE · Paper II · Quantum Mechanicscse-2022-subject-05-001

De Broglie wavelength — UPSC Physics Optional CSE 2022 Paper II

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What is de Broglie concept of matter wave? Evaluate de Broglie wavelength of Helium that is accelerated through 300\mathrm{V}. (Given mass of proton = mass of neutron = 1.67\times10^{-27}\,kg)

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