1.

Light enters from air into water which as a refractive index of 1.33. Calculate the speed of light in water if speed of light in air is 3x10^8 m/s.

Answer»

Hey!

SINCE ng(refractive INDEX of GLASS) = c/v

=) 1.33 = 3*10^8 / v

=) v(SPEED of light in water) = 3*10^8/1.33

= 2.25 * 10^8 m/s

hope it helps you!!



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