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An electron (-|e|, m) is released in Electric field E from rest. Rate of change of de-Broglie wavelength with time will be.

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An electron (-|e|, m) is released in Electric field E from rest. Rate of change of de-Broglie wavelength with time will be.

(1) - h/2|e|

(2) - h/|e|Et

(3) - h/(|e|Et2

(4) - (2ht2)/(|e|E)

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1 Answer

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Answer is (3) - h/(|e|Et2

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