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The number of spectral lines orbitals i...

The number of spectral lines orbitals in Bohr spectrum of hydrogen atom when an electron is excited from ground level is 5th orbit is

A

10

B

5

C

8

D

15

Text Solution

Verified by Experts

The correct Answer is:
A
Number of spectram lines the ground state
`= (n(n - 1))/(2) = ( 5 xx 4)/(2) = 10`
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