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An electron beam can undergo diffraction by crystals. Through what potential should a beam of electrons be accelerated so that its wavelength becomes equal to 1.54 A.

An electron beam can undergo diffraction by crystals. Through what potential should a beam of electrons be accelerated so that its wavelength becomes equal to 1.54 A.

Grade:10

1 Answers

Kavach Gupta
24 Points
9 years ago

WAVELENGTH=1.226*10-9 /√POTENTIAL              [DE BROGLIE]

THEREFORE POTENTIAL=65V (APPROX.)

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