Why does the emergent ray in a prism bend at an angle to the direction of the incident ray
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When an incident ray of light enters a prism it gets refracted towards the normal. This refracted ray then strikes the other face of the prism and further deviates away from the normal and leaves the glass prism to enter the air i.e. from one medium to the other. ... Thus the emergent ray bends away from the normal.
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The explanation is attached in the image above
The emergent ray in a prism bends at an angle to the direction of the incident ray as both the refracting surfaces in a prism are inclined to each other.
It simply means that, emergent ray bends to the direction of incident ray.
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