Question

light enters from air to glass having refractive index 1.5 what is the speed of light in glass bracket speed of light in air is equal to 3 into 10 square metre per second​

Answer 1

Answer:

speed of light (in any medium)

speed of light in air

= ------------------------------------------

refractive index of medium

=( 3 × 10 ^8) ÷ 1.5

= 2 × 10^8 meter per second

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