Question

plzz guys solve it for me....dont spam...correct answer will be marked as brainliest...urgent​

Answer 1

Answer:

the ans is c. 60°

Explanation:

let r be the angle of refraction at PQ and q be the angle of incidence at point PR .

given Angle A is 60°

so,

we know that r + q = A

0° + q = 60°

So,. angle q = 60° hence proved

Answer 2

Answer:

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