MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
What does first law of reflection state? |
| A. | The incident ray, reflected ray and normal ray, at the point of incidence, are in same plane |
| B. | The incident ray, reflected ray and normal ray, at the point of incidence, are perpendicular to each other |
| C. | The incident ray, reflected ray and normal ray at the point of incidence are in different plane |
| D. | mSin(i)=nSir(r) |
| Answer» B. The incident ray, reflected ray and normal ray, at the point of incidence, are perpendicular to each other | |