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08/06/2020 12:58 pm

If the shortest wavelength of H atom in Lyman series is x, then longest wavelength in Balmer series of He^{+} is

(a) 9x/5

(b) 36x/5

(c) x/4

(d) 5x/9

1 Answer

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08/06/2020 1:01 pm

**Correct option:(a) 9x/5**

**Explanation: **

For He, Z = 2