Light 2 Flashcards
1
Q
What does light travel in
A
Straight lines
2
Q
What is a luminous object
A
A light source
3
Q
How do we see non luminous objects
A
Reflection
4
Q
What materials allows light to transmit and reflect
A
Translucent
5
Q
What is the law of reflection
A
Angle of incidence = angle of reflection
6
Q
What happens in regular reflection
A
A clear image forms on the surface
7
Q
Why can’t we see diffuse reflection
A
Rough surface
8
Q
What is the formula for distance
A
Speed x time divide 2
9
Q
What is light
A
An electromagnetic wave