Question

What should be the angular momentum of an electron in Bohr's hydrogen atom whose energy is -0.38 eV?​

Answer 1

Answer:

Energy of electron in nth orbit of hydrogen atom

E

n

=−

n

2

13.6

eV

⇒3.4=−

n

2

13.6

⇒n

2

=4

or, n=2

Angular momentum of electron,

L=

2π

nh

=

2π

2h

=

π

h