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An electron in freespace is described by a plane wave given by Ч (x, t)-A&(kx-at) where k 1.5 x 10 m1 and w 1.5 x 1013 rad/s.

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Soluion Given cshene a, ~ave length coove leneth ) - 21 x lo Kinetic enes 26-22- = IS. 263 rtev

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