MCQOPTIONS
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MCQOPTIONS
| 1. |
A ray of light propagates from glass (refractive index = 3/2) to water (refractive index = 4/3). The value of the critical angle [JIPMER 1999; UPSEAT 2001; MP PMT 2000, 03] |
| A. | sin?1(1/2) |
| B. | \[{{\sin }^{-1}}\left( \frac{\sqrt{8}}{9} \right)\] |
| C. | \[{{\sin }^{-1}}(8/9)\] |
| D. | \[{{\sin }^{-1}}(5/7)\] |
| Answer» D. \[{{\sin }^{-1}}(5/7)\] | |