colour and light

Question 1

what is thomas youngs description of light and colour

Answer 1

nature of light is a subject of no material importance to concerns of life or to the practise of arts

Question 2

what does rationalism say about senses

Answer 2

known by intuition alone

Question 3

what does empiricism say about senses

Answer 3

we have no source of knowledge other than through experience

Question 4

what did democritus say about sensations

Answer 4

produces in the soul and we may see by means of eyes alone etc - atom theory they come out your eye

Question 5

what was democritas theory of colour

Answer 5

they result from various mixtures of four colours and are infinate in number

Question 6

what was the rationalist view on colours

Answer 6

plato said they are complicated and you cant predict how colours mix

Question 7

what did alzhen say about vision and colour

Answer 7

light rays carry info

Question 8

what did newtons prism experiment fin

Answer 8

white light is made from coloured light

Question 9

what are metamers

Answer 9

stimuli that are physically different but are perceived to be identical- no special wavelengths

Question 10

what causes the trichromacy of colour mixing

Answer 10

we have three types of photoreceptors