Unit C~ Section 1 Flashcards
1
Q
Early ideas about light
A
~beams coming from peoples eyes
~Light didn’t have colour
2
Q
Who discovered the speed of light
A
Albert A michaelson / ole romer
3
Q
Early inventions
A
Telescope
Microscope
Mirrors reflecting off eachother
4
Q
4 properties of light
A
Can bend
comes in straight lines
can be reflected
is a form of energy
5
Q
How does a microscope use light
A
Use two lenses, when the light shines through specimen, a large image is produced by looking through the eyepiece
6
Q
two telescopes
A
reflecting and refracting
reflecting uses a curved mirror
refracting uses a lens
7
Q
What are binoculars made of
A
two refracting telescopes put together.
8
Q
Luminous & non luminous
A
Luminous produces light; light source
Non-Luminous Doesn’t
9
Q
2 types of reflection
A
Regular, diffuse
