1.

The wavelength of sodium light in air is \[5890\,{AA}\]. The velocity of light in air is \[3\times {{10}^{8}}m{{s}^{-1}}.\] The wavelength of light in a glass of refractive index 1.6 would be close to  [DCE 2003]

A. \[5890\,\,{AA}\]               
B. \[3681\,\,{AA}\]
C. \[9424\,\,{AA}\]               
D. \[15078\,\,{AA}\]
Answer» C. \[9424\,\,{AA}\]               


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