Question

(a) What do you understand by optically denser and optically rarer medium?
(b) What is the relation between 1n2 and 2n1?
(c) For the same angle of incidence; the angle of refraction in three different media A, B and C are 150°; 25° and 35° respectively. In which medium velocity of light will be minimum?

Answer 1

Explanation:

The ability to refract light is represented by the optical density of a medium. A mediumhaving larger refractive index is calledoptically denser medium. The other mediumhaving lower refractive index is calledoptically rarer medium.

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