MCQ
With the increase in principal quantum number, the energy difference between the two successive energy levels
- Aremains constant
- Bincreases
- ✓decreases
- Dsometimes increases and sometimes decreases
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$(A)$ Volume of the nucleus is directly proportional to the mass number.
$(B)$ Volume of the nucleus is independent of mass number.
$(C)$ Density of the nucleus is directly proportional to the mass number.
$(D)$ Density of the nucleus is directly proportional to the cube root of the mass number.
$(E)$ Density of the nucleus is independent of the mass number.
Choose the correct option from the following options.
