ND
12. Calculate the de Broglie wavelength of a
proton whose kinetic energy is equal to
81.9 x 10-15 J. (Given: mass of proton is 1836
times that of electron).
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m = 1.67 x 10-27 kg K.E = 81.9 x 10-15 J de-Broglie wavelength of proton, λ = h2mK√h2mK λ = 4 x 10-14 mRead more on Sarthaks.com - https://www.sarthaks.com/880113/calculate-the-de-broglie-wavelength-of-a-proton-whose-kinetic-energy-is-equal-to-81-9-x-10-15
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