For any given series of spectral lines of atomic hydrogen, let be the difference in maximum and minimum wave number in cm.

The ratio is:

Question

For any given series of spectral lines of atomic hydrogen, let  be the difference in maximum and minimum wave number in cm.

The ratio  is:

Canvas Classes · Accepted Answer

Lyman series ():
-  (from )
-  (from )
-

Balmer series ():
-  (from )
-  (from )
-

Ratio:

Answer: Option (4) — 9:4

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