Absorption, Reflection and transmission. Flashcards
1
Q
What is a ray diagram?
A
diagram that uses arrows to show the path of light.
2
Q
What is regular reflection?
A
when parallel light rays hit a smooth surface. Light rays reflect at the same angle.
3
Q
What is diffuse reflection?
A
when parallel light rays hit a rough surface. Light rays reflect at different angles and are scattered.
4
Q
What is lux?
A
unit of measurement used to describe the number of lumens falling on a square meter of a surface. Higher lux = more light.
5
Q
What does luminous mean?
A
to emit light
6
Q
What does non luminous mean?
A
objects that don’t produce light, reflects so that we can see them.
