What colour is not found in the colour spectrum: cyan, red or blue
What is the retina part of the eye?
The light sensitive part of your eye
What type of reflection is seen in a mirror
What type of light focuses light on a point
Why does light refract?
It’s speed changes when it hits a different medium
What is the angle of incidence always equal to?
The angle of refraction
What does light travel from?
What does light travel in
What does transparent mean
All light passes through it
What are the three primary colours?
Red,blue and green