Light Flashcards
1
Q
What is a shadow?
A
A shaded area behind an object that light cannot reach
2
Q
Shadows form behind what type of objects?
A
Opaque objects
3
Q
Why are shadows formed behind these objects?
A
Light travels in straight lines and cannot pass through opaque objects so there is no source of light that can reach them.
4
Q
What is a luminous object?
A
A luminous object gives of its own source of light
5
Q
Why can you see an image in a mirror?
A
Because the light is reflected in an organised way.
6
Q
What process describes light bending?
A
Refraction
7
Q
What happens when white light enters a prism?
A
The white light splits up into a colour spectrum
8
Q
What are the primary colours of light?
A
Red , green ,blue