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Kirshna
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Asked: 2021-12-06T09:57:39+00:00 In:

In a glass prism, the emergent ray not parallel to the incident ray as:

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Poll Results

10.71%[A] The laws of refraction do not hold in the case of glass prism. ( 3 voters )
71.43%[B] The refracting surfaces are inclined at an angle. ( 20 voters )
10.71%[C] The angle of refraction in glass is greater than the angle of incidence. ( 3 voters )
7.14%[D] The angle of refraction in glass is greater than the angle of emergence. ( 2 voters )
Based On 28 Votes

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As the two refracting surfaces AB and AC are not parallel to each other, the emergent ray is also not parallel to the incident ray. Whereas, in a glass slab, the two refracting surfaces are parallel to each other which explains why the emergent ray is parallel to the incident ray.

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    1. [B] The refracting surfaces are inclined at an angle.

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