Which term is used to refer to regular reflection from a smooth surface in a single direction?
Diffuse reflection
Specular reflection
Scattering
Which term is used to refer to the scattering of light by a rough surface?
Regular reflection
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?
Transmitted
Absorbed
Reflected
A light ray meets a plane mirror at 60°. What is the angle of reflection?
60°
30°
120°
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?
22°
38°
What is the critical angle?
An angle with the normal of 0°
The maximum angle of refraction in air
The minimum angle at which total internal reflection takes place
What name is given to a material that absorbs some wavelengths of visible light and transmits others?
Filter
Opaque
Lens
What is a translucent material?
A material that can be fully seen through
A material that cannot be seen through
A material that transmits light, but no clear shapes can be seen
Why can we see through glass?
Almost all light waves are reflected
Almost all light waves are transmitted
Almost all light waves are absorbed