A ray of light travelling in air strikes a glass slab at 30 degree calculate the angle of refraction if the refractive index of glass is 1.5
Answers
Answered by
2
Answer:
Explanation:
Refractive index, n=
sinr
sini
1.5=
sinr
sin30
∴sinr=
1.5
sin30
=0.33
⇒r=sin
−1
0.33=19.47 °
Answered by
1
We have:
Sin i/sin r=1.5
Sin30°/sin r =1.5
Sin r=sin 30° x (2/3)
Sin r=1/2 X 2/3
Sin r=1/2 x 2/3=1/3
r=19.47°
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