If the de Broglie wave length of the fou...

If the de Broglie wave length of the fourth Bohr's orbit of hydrogen atom is 4 Å, the circumference of the orbit is:

A

`4 Å`

B

4nm

C

`16 Å`

D

16 nm

Verified by Experts

The correct Answer is:

C

Circumference `= 2pi r = n lambda`
Here `n = 4, lambda = 4Å`
`:.` Circumference `= 16 Å`.

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