| 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? |
| (a) The emergent ray is parallel to the incident ray. |
| (b) The emergent ray bends at an angle to the direction of the incident ray. |
| (c) The emergent ray and the refracted ray are at right angles to each other. |
| (d) The emergent ray is perpendicular to the incident ray. |
Answer:
(b) The emergent ray bends at an angle to the direction of the incident ray.
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