Question

why does a ray of light bend towards the base when it passes through a glass prism?​

Answer 1

Answer:

When a ray of light passes through a prism, it under goes refraction twice. ... Second time from denser to rarer medium, i.e., glass to air, it bends from the normal, i.e., towards the base of the prism.

Answer 2

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When a ray of light passes through a prism, it under goes refraction twice. ... Second time from denser to rarer medium, i.e., glass to air, it bends from the normal, i.e., towards the base of the prism.