# If the shortest wave length of Lyman series of H atom is x, then the wave length of the first line of Balmer series of H atom will be-

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If the shortest wave length of Lyman series of H atom is x, then the wave length of the first line of Balmer series of H atom will be-
A. 9x//5
B. 36x//5
C. 5x//9
D. 5x//36

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