Question

For the same angle of incidence in media p, q and R, the angles of refraction of 45 degree 35 degree and 15 degree respectively in which medium will the velocity of light be minimum give reason

Answer 1

Using snell's law,

$\frac{sin i}{sin r} =$ μ

so, for lesser angle of refraction, the greater will be the value of refractive index(μ),

so,refractive index will be highest for 15 degree,

so,μ=$\frac{c}{v}$

so,velosity will be minimum for medium R.

Answer 2

Answer:

IN R VELOCITY WILL BE MIN.

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