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Q.

Uncertainty in position of a minute particle of mass 25g in space is 10–5 m.

 What is the uncertainty in its velocity (in ms–1) ?
(h = 6.6 × 10–34 Js)
 

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a

 0.5 × 19–34
 

b

 2.1 × 10–34 

c

 2.1 × 10–28

d

 0.5 × 10–23

answer is C.

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Detailed Solution

From Heisenberg's uncertianity principle. 

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