A student traces the path of a ray of light through a triangular glass prism for different values of angle of incidence. On analyzing 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.

(d) The emergent ray bends at an angle to the direction of the incident ray.

Explanation

In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray bends at an angle to the direction of the incident ray. This happens because the light ray gets refracted two times at different angles. So, the emergent rays bend at an angle towards the direction of the incident ray.

It can be shown with the help of the following diagram:

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Updated on: 10-Oct-2022

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