MCQOPTIONS
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MCQOPTIONS
| 1. |
If any refracted light were to travel the same path backward the same relationship would exist, that is__________ = n.( The angle of reflection for normal is (φa = φr))$ |
| A. | sin φ<sub>a</sub>/cos φ<sub>b</sub> |
| B. | cos φ<sub>a</sub>/sin φ<sub>b</sub> |
| C. | cosec φ<sub>a</sub>/sin φ<sub>b</sub> |
| D. | sin φ<sub>a</sub>/sin φ<sub>b</sub> |
| Answer» E. | |