Light travels from water ( ) into an unknown transparent medium

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

Light travels from water (

n=1.33

) into an unknown transparent medium. If the angle of incidence in water is

60^{\circ}

and the angle of refraction in the second medium is

40^{\circ}

, determine the refractive index of the second medium. (a)

1.35

(b)

1.79

(c)

2.00

(d)

1.11