MCQ
Plane angle and solid angle have :
- ADimensions but no units
- BNo units and no dimensions
- CBoth units and dimensions
- ✓Units but no dimensions
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$(A)$ $v=\sqrt{\frac{k}{2 m}} R$
$(B)$ $v=\sqrt{\frac{k}{m}} R$
$(C)$ $\mathrm{L}=\sqrt{\mathrm{mk}} \mathrm{R}^2$
$(D)$ $\mathrm{L}=\sqrt{\frac{\mathrm{mk}}{2}} \mathrm{R}^2$
(Assume that at ${t}=0$, there are no ${B}$ atoms in the sample)