The ratio of the radii of the first thre...

The ratio of the radii of the first three orbits in an atom of hydrogen is

A

`1:4:9`

B

`9:4:1`

C

`1:2:3`

D

`3:2:1`

Text Solution

Verified by Experts

The correct Answer is:

A

`r_1 :r_2 :r_3 = 1:4:9`

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