Test Index

CBSE Class 12 Physics 2017 Outside Delhi Set 2 Paper

© examsnet.com
Question : 4
Total: 9
The short wavelength limit for the Lyman series of the hydrogen spectrum is 913.4 Å. Calculate the short wavelength limit for Balmer series of the hydrogen spectrum.
Solution:  

‌
1
λ
=R(‌
1
n12
−‌
1
n22
)
∴ For Balmer Series: (λB)‌short ‌=4∕R
and For Lyman Series: (λL)‌short ‌=1∕R
∴λB=913.4×4Å=3653.6Å
© examsnet.com
Go to Question:
Prev Question
Next Question