1.

The frequency corresponding to transition \[n=2\] to \[n=1\] in hydrogen atom is   [MP PET 2003]

A.        \[15.66\times {{10}^{10}}Hz\]    
B.        \[24.66\times {{10}^{14}}Hz\]
C.        \[30.57\times {{10}^{14}}Hz\]    
D.        \[40.57\times {{10}^{24}}Hz\]
Answer» C.        \[30.57\times {{10}^{14}}Hz\]    


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