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The uncertainty in the position of an el...

The uncertainty in the position of an electron `(mass = 9.1 xx 10^-28 g)` moving with a velocity of `3.0 xx 10^4 cm s^-1` accurate up to `0.001 %` will be
(Use `(h)/(4 pi)` in the uncertainty expression, where `h = 6.626 xx 10^-27 erg - s`)

A

1.93 cm

B

3.84 cm

C

5.76 cm

D

7.68 cm

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KVPY PREVIOUS YEAR-MOCK TEST 1-EXERCISE
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