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Uncertainty in position of a 0.25 g particle is 10-5 . Uncertainty of velocity ( h = 6.6 x 10 -34 Js) is:
(1) 1.2 x 10 34
(2) 2.1 x 10 -29
(3) 1.6 x 10 -20
(4) 1.7 x 10 -9
Ans: 2.1 x 10 -29
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