If the wavelength of the first line of the Balmer series of hydrogen i – McqOptions

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1.	If the wavelength of the first line of the Balmer series of hydrogen is\[6561\ {AA}\], the wavelength of the second line of the series should be [CPMT 1984; DPMT 2004]
A.	\[13122\ {AA}\]
B.	\[3280\ {AA}\]
C.	\[4860\ {AA}\]
D.	\[2187\ {AA}\]
Answer» D. \[2187\ {AA}\]

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