Question

The speed of the electron in the first Bohr orbit (in H atom) of radius

0.53 Å is 2200 km/s. Calculate the frequency of revolution of the electron in

the same orbit.​

Answer 1

Answer:

Correct option is

D

4.77A

o

Formula for Bohr's radius,

r

n

=n

2

r

1

r

3

=3

2

×0.53=4.77A

o