Question

2.According to Bohr's theory, the angular momentum for an electron of fifth orbit is
(1) 5h
(2) 2.5h
(3)5π/h
(4)25h)π​

Answer 1

Answer:

2.5 h / π

2. option is correct .

Explanation:

We are asked to find angular momentum for an electron of fifth orbit :

Here :

n = 5

We know :

Angular momentum for an electron is given as :

m v r = n h / 2 π

Putting value of n = 5 we get :

m v r = 5 h / 2 π

On solving further we get :

m v r = 2.5 h / π

Therefore , angular momentum for an electron of fifth orbit is 2.5 h / π .

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Answer 2

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