MCQ
A student traces the path of a ray of light through a triangular glass prism for different values of angle of incidence. On analysing the ray diagrams, which one of the following conclusions is he likely to draw?
- AThe emergent ray is parallel to the incident ray.
- BThe emergent ray bends at an angle to the direction of the incident ray.
- CThe emergent ray and the refracted ray are at right angles to each other.
- DThe emergent ray is perpendicular to the incident ray.
