Question

30. Given : The mass of electron is 9.11*10-31 kg.
Planck's constant is 6.626x10-34 Js, the uncertainty
involved in the measurement of velocity within a
distance of 0.1 Å is [AIPMT (Prelims)-2006
(1) 5.79 x 106ms-1 (2) 5.79 x 107 ms-1
(3) 5.79 × 108 ms-1 (4) 5.79 105 ms-1
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Answer 1

Answer:

(1) 5.79*106 ms-1 where Delta x=10-11m