Question

(1) Which of the three media A, B, C has maximum density (2) Through which of three media, will speed of light be maximum
(iii) Will the light travelling from A to B bend towards or away from the normal
(iv) Will the refractive index 'B' relative to 'C' be more
than unity or less than unity​

Answer 1

Medium C will have the maximum density as there is maximum divergence in that case

Through medium A light will have maximum speed because there is less divergence and hence lesser density

A is less denser than B hence light from A to B will bend away from the normal [Rarer to Denser]

Refractive index of B relative to C

= Velocity of light in B/Velocity of light in C > 1

Velocity of light in rarer medium (here B) is greater than velocity of light in denser medium (here C)

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