MCQ
Uncertainty in position and momentum are equal. Uncertainty in velocity is :-
- A$\sqrt {\frac{h}{\pi }}$
- B$\frac{h}{2 \pi}$
- ✓$\frac{1}{{2m}}\sqrt {\frac{h}{\pi }}$
- DNone of these
$\Delta x \cdot \Delta p=\frac{h}{4 \pi}$
$\Delta p=\sqrt{\frac{h}{4 \pi}}$
$\Delta v=\frac{1}{m} \sqrt{\frac{h}{4 \pi}}$
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| List $-I$ | List $-II$ |
| $A$ $XeF_4$ | $1.$ Pyramidal |
| $B$ $XeF_6$ | $2.$ $T-$ shape |
| $C$ $XeO_3$ | $3.$ Distorted octahedral |
| $D$ $XeOF_2$ | $4.$ Square planar |