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Question

Select the correct statements if, $$ \hbar =\frac { h }{ 2\pi } $$:

A
$$ \Delta p \bullet \Delta x = \frac {\hbar}{2} $$
B
$$ \Delta v_y \bullet \Delta x = \frac {\hbar}{2 \pi m } $$
C
$$ \Delta v_x \bullet \Delta x = \frac {\hbar}{2 \pi m } $$
D
$$ \Delta p \bullet \Delta x = \frac {\hbar}{2 \pi} $$
Solution
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Correct option is D. $$ \Delta v_x \bullet \Delta x = \frac {\hbar}{2 \pi m } $$

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