Whith increasing principal quantum number, the energy difference between adjacent energy levels in H-atom:

Options

A. Increases
B. Decreases
C. Ramains constant
D. Decreases for lower value of n and increases for higher value of n.

Answer

B

Explanation

`K.E. prop v^(2)` and `lambda prop 1//v`
`:. lambda^(2) prop 1//K.E.`
`:. (lambda_(1)^(2))/(lambda_(2)^(2)) = ((K.E.)_(2))/((K.E.)_(1))`