Question

On entering a medium from air the speed of light becomes half of its value in air find the reffractive index of the medium with respect to air

Answer 1

Answer: 2

Explanation:

Speed of light in air (v1)= 3 × 10 ^8

On entering the medium it is half of its value in air (v2)= 3× 10 ^8÷ 2

Refractive index of medium with respect to air = v1 ÷v2

= 3× 10^8 ÷ 3×10^8÷2

= 3×10^8 × 2÷ 3×10^8

= 2

Plz mark as brainliest☺