1.

The extreme wavelengths of Paschen series are

A. \[0.365\mu m\]and \[0.565\mu m\]
B. \[0.818\mu m\]and \[1.89\mu m\]
C. \[1.45\mu m\]and \[4.04\mu m\]
D. \[2.27\mu m\]and \[7.43\mu m\]
Answer» C. \[1.45\mu m\]and \[4.04\mu m\]


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