Question

A : Angular momentum of an electron in a hydrogen atom is quantized.
R : In an atom only those orbits are permitted in which angular momentum of the electron is a natural number multiple of $\frac{h}{2\pi }$

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true but R is NOT the correct explanation of A
• C. A is true but R is false
• D. A is false but R is true

Answer 1

The correct option is A Both A and R are true and R is the correct explanation of A

According to the postulate of Bohr's Model of atom, angular momentum is quantized. Therefore only certain orbits of fixed enegy states are permitted where electrons can revolve around the nucleus