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The hydrogen atom in the ground state is...

The hydrogen atom in the ground state is excited by mass of monochromatic radiations of wavelength
` lambda Å ` . The resulting spectrum consists of maximum `15` different lines . What is the value of ` lambda` ? (`R_H = 109737 cm^(-1))`.

A

`937.3 Å`

B

`1025 Å`

C

`1236 Å`

D

None of these

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