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The speed of a certain proton is $4.5\times10^5m$ If the uncertainity is to be reduced to 0.01percent, what uncertainity in its location must be tolerated?


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$\bigtriangleup V= V\times \large\frac{0.01}{100}$
$\bigtriangleup x .\bigtriangleup V \approx \large\frac{h}{4\pi m}$
$\bigtriangleup x = \large\frac{h}{4\pi m\bigtriangleup V}$
Hence the anwer is (a)
answered Feb 5, 2014 by sharmaaparna1

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