Question

Which statements concerning Bohr's model are true?

• A. Predicts that probability of electron near nucleus is more
• B. Angular momentum of electron in $H-$atom$=\frac{nh}{2\pi }$
• C. Introduces the idea of stationary states
• D. Explains line spectrum of hydrogen

Answer 1

Answer: (B), (C), (D)

The correct options are
B Angular momentum of electron in $H-$atom$=\frac{nh}{2\pi }$
C Introduces the idea of stationary states
D Explains line spectrum of hydrogen

According to Bohr's model:

1. Angular momentum of an electron is $mvr=\frac{nh}{2\pi }$.

2. As long as an electron revolves around the nucleus in a particular orbit it does not absorb energy and does not emit energy. So it is called as stationary orbit.

3. Bohr explained the spectrum of hydrogen and hydrogen-like species.

4. Bohr did not explains about the probability of availability of electrons.

Hence options B, C, D are correct.