An electron is accelerated under a potential difference of 64 V, the de Broglie wave length associated with electron is = ………… Å
(Use charge of election = 1.6 × 10–19 C, = 9.1 × 10–31 Kg, mass of electrum h = 6.6623 × 10–43 J.sec)
(A) 4.54
(B) 3.53
(C) 2.53
(D) 1.534
