An electron is accelerated from rest through a potential difference of V volt. If the de Broglie wavelength of the electron is 1.227 × 10^-2 nm
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15/09/2020 6:09 pm
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An electron is accelerated from rest through a potential difference of V volt. If the de Broglie wavelength of the electron is 1.227 × 10-2 nm, the potential difference is :
(1) 102 V
(2) 103 V
(3) 104 V
(4) 10 V
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15/09/2020 6:10 pm
Correct answer: (3) 104 V
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