Question

Ratio of difference of spacing between the energy levels with `n=3` and `n=4` and the spacing between the energy levels with `n=8` and `n=9` for a hydrogen like atom or ion is
A. `0.71`
B. `0.41`
C. `2.43`
D. `14.82`

Answer 1

Correct Answer - B
`(r_(4)-r_(3))/(r_(9)-r_(8))=(4^(2)-3^(2))/(9^(2)-8^(2))=0.41`