Question
While performing the experiment to trace the path of a ray of light passing through a glass prism, four students marked the incident ray and the emergent ray in their diagrams in the manner shown below.
Solution
C.
When light goes from rarer medium to denser medium it bends towards the normal. The light bends away from the normal when it goes from a denser medium to rarer medium.
This condition is fulfilled in figure (III).
