Question

angle of incidence is 45 angle of deviation is ----------------–—·​

Answer 1

Answer:

angle of incidence = angle of deviation

angle of deviation =45°

Answer 2

Answer:

The angle of deviation is 30 degrees.

Explanation:

Given that,

Angle of incidence, i = 45°

The refracting angle of the prism, r = 60°

We need to find the angle of deviation of the prism. We know that the relation between the angle of incidence, angle of deviation and the angle of prism. It is given by :

\delta=2i-rδ=2i−r

\delta=2(45)-60δ=2(45)−60

\delta =30^{\circ}δ=30

∘

Explanation:

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