A ray OP of monochromatic light is incident on the face AB of prism ABCD near vertex B at an incident angle of 60- see figure- If the refractive index of the material of the prism is -3- which of the following is are correct-

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Byju's Answer

Standard X

Physics

Critical Angle

A ray OP of...

Question

A ray $O P$ of monochromatic light is incident on the face $A B$ of prism $A B C D$ near vertex $B$ at an incident angle of $60^{\circ}$ (see figure). If the refractive index of the material of the prism is $\sqrt{3}$ , which of the following is (are) correct?

The ray gets totally internally reflected at face

C D

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The ray comes out through face

A D

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The angle between the incident ray and the emergent ray is

90^{\circ}

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The angle between the incident ray and the emergent ray is

120^{\circ}

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Solution

The correct options are
A The ray gets totally internally reflected at face $C D$
B The ray comes out through face $A D$
C The angle between the incident ray and the emergent ray is $90^{\circ}$
Using Snell's law, ${sin}^{- 1} \frac{1}{\sqrt{3}} < {sin}^{- 1} \frac{1}{\sqrt{2}}$
Net deviation is $90^{\circ}$ .

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A ray OP of monochromatic light is incident on the face AB of prism ABCD near vertex B at an incident angle of 60∘ (see figure). If the refractive index of the material of the prism is √3, which of the following is (are) correct?

The correct options are A The ray gets totally internally reflected at face CD B The ray comes out through face AD C The angle between the incident ray and the emergent ray is 90∘Using Snell's law, sin−11√3<sin−11√2Net deviation is 90∘.

A ray $O P$ of monochromatic light is incident on the face $A B$ of prism $A B C D$ near vertex $B$ at an incident angle of $60^{\circ}$ (see figure). If the refractive index of the material of the prism is $\sqrt{3}$ , which of the following is (are) correct?