1.

The wavelength of the first line of Balmer series is \[6563\ {AA}\]. The Rydberg constant for hydrogen is about [MP PMT/PET 1998]

A. \[1.09\times {{10}^{7}}per\ m\]  
B. \[1.09\times {{10}^{8}}per\ m\]
C. If assertion is true but reason is false.
D. \[1.09\times {{10}^{5}}per\ m\]
Answer» B. \[1.09\times {{10}^{8}}per\ m\]


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