MCQ
Assertion (A): Hydrogen atom has only one electron in its orbit. But it produces several spectral lines.
Reason (R): There are many excited energy levels available.
Reason (R): There are many excited energy levels available.
- ✓Both A and R are true and R is the correct explanation of A.
- BBoth A and R are true but R is not the correct explanation of A.
- CA is true but R is false.
- DA is false but R is true.