MCQ
Rydberg’s constant is:
- ASame for all elements.
- ✓Different for different elements.
- CA universal constants.
- DIs different for lighter elements but same for heavier elements.
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Another nucleus has mass number $A_2$ and volume $V_2$. If relation between mass number is $A_2=4 A_1$, then $\frac{V_2}{V_1}=$_____.

