For an incident ray reflecting from a plane mirror, the angle between the ray and the mirror surface is $70^{\circ}$. What is the angle of incidence?
- A$20^{\circ}$
- B$40^{\circ}$
- C$70^{\circ}$
- D$140^{\circ}$
Physics 0625 · IGCSE · Light
For an incident ray reflecting from a plane mirror, the angle between the ray and the mirror surface is $70^{\circ}$. What is the angle of incidence?