1.

A hydrogen atom is in ground state. Then to get six lines in emission spectrum, wavelength of incident radiation should be

A. \[800\overset{\text{o}}{\mathop{\text{A}}}\,\]
B. \[825\overset{\text{o}}{\mathop{\text{A}}}\,\]
C. \[975\overset{\text{o}}{\mathop{\text{A}}}\,\]
D. \[01025\overset{\text{o}}{\mathop{\text{A}}}\,\]
Answer» D. \[01025\overset{\text{o}}{\mathop{\text{A}}}\,\]


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