MCQOPTIONS
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| 1. |
According to the Snell’s law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2)________________? |
| A. | The angle of incidence is equal to the angle of refraction |
| B. | The angle of refraction r) is given by sin i |
| C. | Both A. and B. |
| D. | Neither A. nor B. |
| Answer» C. Both A. and B. | |