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The wave no. of the first line of Balmer series of H atom is 15200 `cm^(-1)`. What is wave number of the first line of Lyman series of `Li^(2+)`.
A. |
456200 c`m^-1` |
B. |
136800 c`m^(-1)` |
C. |
738720 c`m^(-1)` |
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D. |
152000 c`m^(-1)` |