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The distance between 4th and 3rd Bohr or...

The distance between `4th` and `3rd` Bohr orbits of `He^(+)` is `:`

A

`2.645xx10^(-10)m`

B

`1.322xx10^(-10)m`

C

`1.851xx10^(-18)m`

D

None

Text Solution

Verified by Experts

The correct Answer is:
3
`r=0.529(n^(2))/(Z)A,`
`r_(4)-r_(2)=0.529((16)/(2)-(9)/(2))A=1.851xx10^(-10)m`
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