Angular momentum of an orbit of a H like species in which the electron revolving is `4.2197 xx 10^(-34)` JS. The number of waves made by the electron in that orbit.

Options

A. 6
B. 4
C. 8
D. 2

Answer

B

Explanation

`n xx h/(2pi)` = `4.2197 xx 10^(-34)` On solving n = 4