An electron moving with a speed of 2.1 106 m / s has the same momentum

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An electron moving with a speed of 2.1 × 106 m / s has the same momentum as a photon. Find
(a) The de Broglie wavelength of the electron and
(b) The wavelength of the photon.
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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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