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Question

In an atom, an electron is moving with a speed of 600 m sec1 with an accuracy of 0.005%. Certainty with which the position of the electron can be located is

A
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B
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C
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D
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Solution

The correct option is C

Accuracy in velocity = 0.005%
V=600×0.005100=0.03
x=h4πmV
=6.6×10344×3.14×9.1×1031×0.03
=1.92×103 m


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