Question

Determine refractive index of a liquid medium whose critical angle is 30 degrees

Answer 1

Answer:

Ray Optics

Explanation:

★ Critical angle ( C ) = 30°

» Sin C = 1 / refractive index ( μ )

» Sin 30° = 1 / μ

» 1 / 2 = 1 / μ

Refractive index ( μ ) = 2