She measured the angles of incidence for
both the rays on the left side of the box
to be 48.6º. She knew the refractive index
of the material ‘X’ inside the box was 1.5.
What will be the approximate value of
angle of refraction?

She measured the angles of incidence for
both the rays on the left side of the box
to be 48.6º. She knew the refractive index
of the material ‘X’ inside the box was 1.5.
What will be the approximate value of
angle of refraction?

(a) 45º

(b) 40º

(c) 30º

(d) 60º (use the value: sin 48.6º ≈ 0.75)

She measured the angles of incidence for<br>both the rays on the left side of the box<br>to be 48.6º. She knew the refractive index<br>of the material ‘X’ inside the box was 1.5.<br>What will be the approximate value of<br>angle of refraction?

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