How fast does a proton have to be moving in order to have the same de...

Question

Question

How fast does a proton have to be moving in order to have the same de Broglie wavelength as an electron that is moving at 5.20 × 106 m/s?

Answer 1

Answer #1

debroglie wavelength = planks constant / mass * velocity

debroglie wavelength of proton = debroglie wavelength of electron with speed 5.2 * 10^6 m/s

planks constant / mass of proton * velocity of proton = planks constant / mass of electron * 5.2 * 10^6

1 / 1.6726219 × 10^-27 * velocity of proton = 1 / 9.10938356 × 10^-31 * 5.2 * 10^6

velocity of proton = 2832.01 m/s

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Answer 2

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