Uncertainty in the position of an electron (mass 9.1 x 10^-31 kg) moving with a velocity of 300 ms^-1, accurate upto 0.001% will be:

19.2 x 10^-2 m

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5.76 x 10^-2 m

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1.93 x 10^-2 m

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3.84 x 10^-2 m

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Solution

The correct option is C
1.93 x 10^-2 m

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Similar questions

Uncertainty in the position of an electron (mass = $9.1 \times 10^{- 31} k g$ ) moving with a velocity $300 m s^{- 1}$ , accurate upto 0.001% will be

9.1 \times 10^{- 31} k g

(m a s s = 9.1 \times 10^{- 31} k g)

300 m s^{- 1}

[h = 6.63 \times 10^{- 34} J - s]

9.1 \times 10^{- 31} k g

= 9.1 \times 10^{- 28} g

3.0 \times 10^{4} c m s^{- 1}

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