One among the following statements is correct?

Options

A. An orbital containing an electron having quantum numbers n = 2, l =0, s = +1/2 is spherical
B. The frequency of X-rays is less than radiowaves
C. All photons have same energy
D. As intensity of light increases, the frequency increases.

Answer

A

Explanation

Any orbital with l = 0 hs spherical symmetry irrespective of the value of its principal quantum number.