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

The ratio of the radii of the first three Bohr orbit in H atom is

A

`1: (1)/(2):(1)/(3)`

B

`1:2:3`

C

`1:4:9`

D

`1:8:27`

Text Solution

Verified by Experts

The correct Answer is:
C
`r = n^(2)(0.529)`
or `r prop n^(2)`
`r_(1) : r_(2) : r_(3)`
`1^(2):2^(2):3^(2)`
i.e., `1:4:9`
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