A hydrogen atom in the ground state is excited by monochromatic ratiation of wavelength `lambda Å` . The resulting spectrum consists of maximum 15 different lines. What is the wavelength `lambda` ? `(R_H = 109677.8 cm^(-1))`
A
`937.3 Å`
B
`1025 Å`
C
`1236 Å`
D
None of these
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