Question

A ray of light of red colour travelling in air enters into water (refractive index n = 4/3), its colour will become remain
a) Red
b) Blue
c) Yellow
d) Green

Plz give the answer with explanation.​

Answer 1

Answer:

blue

Explanation:

blue colour (b) colour remain

Answer 2

Answer:

Answer:a) red

Explanation:

when light travels from denser to rarer medium , it doesn't change its wavelength...

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