A ray of yellow light ( f = 5.09 × 10^14 Hz) travels
at a speed of 2.04 × 10^8 meters per second in
(1) ethyl alcohol (3) Lucite
(2) water (4) glycerol

ANSWERS

2021-03-19 11:37:19

c/v = n where c is the speed of light, v is the speed in medium and n is the refractive index of medium. Hence n = (3 x 10^8)/(2.04 x 10^8) = 1.47 that is the refractive index of glycerol. Hence answer is (4) glycerol

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