Light travels as transverse waves and faster than sound. It can be reflected, refracted and dispersed. Ray diagrams show what happens to light in mirrors and lenses. Eyes and cameras detect light.
What type of waves are light?
Why are some objects transparent?
Some light passes through them
All light passes through them
No light passes through them
Which travels most quickly?
The angle of incidence always equals what?
The angle of reflection
The angle of dispersion
The angle of exodus
Why does light refract?
Its size changes
Its speed changes
Its shape changes
What type of lens focuses light on a point?
Which of these colours is not found in the spectrum?
What are the three primary colours in light?
Red, green and yellow
Red, green and blue
Red, blue and yellow
What is the retina?
The part of your eye that sends the image to your brain
The part of your eye that focuses light
The light-sensitive section at the back of your eye
What type of reflection is seen in a mirror?