If uncertainty in position and momentum of a \( \mathrm{P} \) parti...

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If uncertainty in position and momentum of a
\( \mathrm{P} \) particle is numerically equal, then the minimum

W uncertainty in speed of the particle should be
(A) \( \sqrt{\frac{\mathrm{h}}{2 \pi}} \)
(B) \( \frac{1}{2 \mathrm{~m}} \sqrt{\frac{h}{\pi}} \)
(C) \( \sqrt{\frac{h}{\pi}} \)
(D) \( \frac{1}{\mathrm{~m}} \sqrt{\frac{\mathrm{h}}{\pi}} \)
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