Question

find the Velocity of electron in orbit L for Sodium according to Bohr's atomic model.

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Answer 1

Explanation:

According to Bohr's model, velocity of an electron in an orbit is-

V

n

=

2nh

Ze

2

⇒V

n

∝

n

1

∴

V

2

V

5

=

5

2

Given that:- V

2

=v

⇒V

5

=

5

2

v

Hence the velocity of an electron in its fifth orbit will be

5

2

v.