Light Electromagnetic Spectrum Flashcards
(11 cards)
1
Q
When light hits a surface, it may be
A
transmitted, reflected or absorbed
2
Q
What is light?
A
A form of energy which travels in waves.
3
Q
What are lenses?
A
A transparent glass or plastic that bends light
4
Q
What is a convex lens?
A
It bends the light rays inwards (converge)
5
Q
What is a concave lens?
A
It bends the light rays outwards (diverge)
6
Q
What do short sighted people see?
A
Blurry distance object.
7
Q
What do long sighted people see?
A
Image forms perfectly.
8
Q
What happens when we see the colour black?
A
All the colours are absorbed.
9
Q
What happens when we see the colour white?
A
All colours are reflected.
10
Q
What happens when we see a colour? (e.g. red, orange, yellow, green ect.)
A
That one colour is reflected to the human eye while the others are absorbed.
11
Q
A
