light and vision Flashcards
1
Q
what was Pythagoras early theory of light?
A
Pythagoras believed that light was made of beams that came from our eyes.
2
Q
what was al-Haytham early theory of light?
A
al-Haytham described light bouncing of objects and coming into our eye
3
Q
what was Newton early theory of light?
A
Newton discovered that sunlight is a white beam that consists of all the colour of the rainbow
4
Q
what are some different optical devices?
A
Microscope, Telescope, and Binoculars.
5
Q
what are the four properties of light?
A
1.Light travels in straight lines
2.Light can be reflected or absorbed
3.Light can bend
4.Light is a form of energy
