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two electron are revolving around a nucl...

two electron are revolving around a nucleus at distance `t and `4 r`. The ratio of their periods is

A

`1:4`

B

`4:1`

C

`8:1`

D

`1:8`

Text Solution

Verified by Experts

The correct Answer is:
D
`T^(2) prop R^(3)`
`(T_(R))/(T_(4 R)) = (R /(4 R))^(3//2) =(1/4)^(3//2)= (1)/(8)`
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