When the refraction takes place through a glass prism the emergent ray always bends towards the .......... of prism.

base

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two

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dispersion

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deviation

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Solution

The correct option is A base
Base
On the first surface, the incident ray bends towards the normal i.e. towards the base and splits into different color bands. Upon striking the second surface each band is deviated away from the normal which is towards the base and hence the emergent ray is bent towards the base of the prism.

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Similar questions

In refraction of light through a prism, the light ray:

(a) suffers refraction only at one face of the prism

(b) emerges out from the prism in a direction parallel to the incident ray

(d) bends at both the surfaces of prism opposite to its base

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