All waves will reflect and refract in the right circumstances. The reflection and refraction of light explains how people see images, colour and even optical illusions.
What is the name of a line drawn at 90° to the surface of a material?
Which term is used to refer to an incoming ray?
What is the law of reflection?
Angle of incidence = angle of reflection
Angle of incidence angle of reflection
Which term is used to refer to regular reflection from a smooth surface in a single direction?
Which term is used to refer to the scattering of light by a rough surface?
Which is densest - air, water or glass?
What happens to a light ray when it travels from water into air?
It bends towards the normal
It slows down
It bends away from the normal
Which word is used to describe a light ray being passed through a material?
A light ray meets a plane mirror at 60°. What is the angle of reflection?
A light ray passes from air into water at an angle of 30°. Which of these angles is likely to be the angle of refraction?