1.

The refractive index of water is 1.33. What will be the speed of light in water      [CBSE PMT 1996; KCET 1998]

A.            \[3\times {{10}^{8}}\] \[m/s\]                                          
B.            \[2.25\times {{10}^{8}}\] \[m/s\]
C.            \[4\times {{10}^{8}}\] \[m/s\]                                          
D.            \[1.33\times {{10}^{8}}\] m/s
Answer» C.            \[4\times {{10}^{8}}\] \[m/s\]                                          


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