Question

Light travels from rarer medium 1 to denser medium 2. Angle of incidence & refraction are 45 degree & 30 degree resp. (i) Calculate the refractive index of second medium with respect to the first. (ii) Calculate the refractive index of the first medium with respect to the second.​

Answer 1

Answer:

Angle of incidence is i = 45°

Angle of refraction is r = 30°

Referactive index of second medium w.r.t. first medium is

1 to 2 = sini/sinr = sin45/sin30 = 1/root2/1/2 = 2/root2 = 1.41

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