Answer
λdB= h/p so p = h/l = 6.63 x 10-34/1.2 x 10-10 = 5.5 x 10-24 Ns
and p = root of (2meV) so p2/(2me) = V = (5.5 x 10-24 )2 / (2 x 9.1 x 10-31 x 1.6 x 10-19) = 105 V Ans
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Answer
λdB= h/p so p = h/l = 6.63 x 10-34/1.2 x 10-10 = 5.5 x 10-24 Ns
and p = root of (2meV) so p2/(2me) = V = (5.5 x 10-24 )2 / (2 x 9.1 x 10-31 x 1.6 x 10-19) = 105 V Ans
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