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Question

If uncertainty in position and velocity are equal, then uncertainty in momentum will be

A
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C
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D
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Solution

The correct option is A
Δx.Δp=h4π or ΔxΔv=h4πm,Δx=Δv, then Δv2=h4πm.Δv=(h4πm)12=12(mhπ)

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