A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and the latter is equal to 34th angle of prism. What will be the deviation?

450

370

200

30o

A

450

B

200

C

370

D

30o

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Solution

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i=34A

Also i=A+δm2

⟹A+δm2=34A

⟹A+δm=1.5A

0r δm=A2=30o

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A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and the latter is equal to 34th angle of prism. What will be the deviation?

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