MCQOPTIONS
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MCQOPTIONS
| 1. |
The speed of light in air is \[3\times {{10}^{8}}\,\,m/s\]. What will be its speed in diamond whose refractive index is 2.4 [KCET 1993] |
| A. | \[3\times {{10}^{8}}\] \[m/s\] |
| B. | 332 \[m/s\] |
| C. | \[1.25\times {{10}^{8}}\] m/s |
| D. | \[7.2\times {{10}^{8}}\] \[m/s\] |
| Answer» D. \[7.2\times {{10}^{8}}\] \[m/s\] | |