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Hydrogen atom is excited from ground sta...

Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then, the number of spectral lines in the emission spectra will be

A

6

B

2

C

3

D

5

Text Solution

Verified by Experts

The correct Answer is:
A

Number of lines `.^(3)C_(2)=.^(4)C_(2)=((4)(3))/(2)=6`
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ALLEN-SIMPLE HARMONIC MOTION-Exercise-04 [B]
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