Reflection, refraction and lenses

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Question 66
Easy

A student investigates the refraction of monochromatic light as it travels from a block of crown glass into water.

The diagram below shows the path of the light ray across the boundary.

Ray diagram of refraction at a glass-water interface

Which of the labelled angles represents the angle of refraction?

θ1\theta_1θ1​

θ2\theta_2θ2​

θ3\theta_3θ3​

θ4\theta_4θ4​

Reflection, refraction and lenses Questions

  1. GCSE
  2. /Physics
  3. /Reflection, refraction and lenses