The uncertainty in the position of a flying dust particle of mass \( 0.1 \mathrm{mg} \) is found....

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The uncertainty in the position of a flying dust particle of mass \( 0.1 \mathrm{mg} \) is found to be \( 10^{-4} \mathrm{~m} \). The uncertainty in the position of another flying dust particle of mass
\( \mathrm{P} \)
\( 0.5 \mathrm{mg} \) is also found to be same.

The uncertainty in the velocity of the lighter dust particle is nearly
(1) \( 5 \times 10^{-24} \mathrm{~ms}^{-1} \)
(2) \( 2.5 \times 10^{-24} \mathrm{~ms}^{-1} \)
(3) \( 1.25 \times 10^{-24} \mathrm{~ms}^{-1} \)
(4) \( 5 \times 10^{-25} \mathrm{~ms}^{-1} \)


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