An electron is accelerated under a potential difference of 64 V, the de-Broglie wavelength associated with electron is [ e = - 1.6 × 10 − 19 C , m e = 9.1 × 10 − 31 kg , h = 6 .623 × 10 − 34 Js ]

Question

An electron is accelerated under a potential difference of 64 V, the de-Broglie wavelength associated with electron is [ e = - 1.6 × 10 − 19 C , m e = 9.1 × 10 − 31 kg , h = 6 .623 × 10 − 34 Js ], 1.53 A o, 2.53 A o, 3.35 A o, 4.54 A o

MARKS App · Accepted Answer

Modified equation of de-Broglie wavelength λ = h 2 m e V λ = 12.27 A o V = 12.27 64 = 1.534 A o

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