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>> $A ray of light incident at an angle thet$

Question

A ray of light incident at an angle $θ$ on a refracting face of prism emerges from the other face normally. If the angle of the prism is $5$ and the prism is made of material of refractive index $1.5$ , the angle of incidence is

A

$7 . 5^{\circ}$ .

B

$5^{\circ}$ .

C

$1 5^{\circ}$ .

D

$2 . 5^{\circ}$ .

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Correct option is A)

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