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Question: If velocity of an electron in \(I\) orbit of H atom is V, what will be the velocity of electron in 3...

If velocity of an electron in II orbit of H atom is V, what will be the velocity of electron in 3rd orbit of Li+2

A

V

B

V/3

C

3 V

D

9 V

Answer

V

Explanation

Solution

V = 2.188 × 106 m/s

Now, V ∝\propto

so,= –

= 3/31/1\frac { 3 / 3 } { 1 / 1 } = 1 or, = VH