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sapphirecrow883Lv1

28 Nov 2020

The mass of an electron is 9.11 x 10^-31 kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31 x 10^-10 m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00 x 10⁸ m/s.

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Related textbook solutions

Physics: Principles with Applications

7th Edition, 2013

ISBN: 9780321625922

Related questions

An electron is moving with a speed of 9x10⁶ m/s. what is the speed of a proton that has the same de Broglie wavelength as this electron?

An electron (of mass 9.11 Ã 10-31 kg and charge 1.60 Ã 10-19 C) isaccelerated from rest through a potential difference of 50.0
kV.

the speed of the electron is closest to:

A) 1.33 Ã 108 m/s
B) 3.33 Ã 108 m/s
C) 1.24 Ã 108 m/s
D) 4.12 Ã 108 m/s
E) 3.24 Ã 108 m/s

28) What is the momentum of an electron moving at a speed of0.90c ?

(me = 0.511 MeV/c^2 = 9.11 X 10^-31 kg)

ANS: 5.6 X 10^-22 kg * m/s

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