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Hydrogen atom is excited from ground sta...

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

A

5

B

6

C

3

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
No of lines of spectrum `=(n(n-1))/(2)`
`=(4(4-1))/(2)=2xx3=6`
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