Question

find the refractive index of a material of angle of incidence of a ray of light is 45 degree and angle of reflection inthe medium is 30 degree?

Answer 1

◉Hey mate here is yr answer ------>

a mew b= sin i/ sin r
= sin 45° / sin 30°

=( 1/√2) x 2
= 2/√2
= √2
= 1.41

Hope it helped u : )
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Answer 2

sin i / sin r

= sin 45° / sin 30°

=(1/√2) / (1/2)

= 1/√2 × 2

= √2

= 1.41

Hope it will help

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