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Q.

If uncertainties in the measurement of position and momentum of a microscopic object of mass ‘m’ are equal, then the uncertainity in the measurement of velocity is given by the expression

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a

h4π×1m

b

h2πm

c

h4π×1m

d

h4πm

answer is B.

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Detailed Solution

∆x.∆p=h4π Given , ∆x=∆p ∆p.∆p=h4π ∆p2=h4π ∆p =h4π m.∆v=h4π ∆v=1mh4π         or     12mhπ

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