dispersion of white light into its constituent colours
That white light is made up of all the colours of light mixed together.
Newton's prism was made of glass.
triangular prism
Newton prove gravity by means of an apple falling on his head
prism
Isac newton
Sir Isaac Newton discovered that white light was made of seven different colors in the 17th century. He was able to prove that when some of the white light from the sun passes through a prism shaped piece of glass, the light scatters into a spectrum, which is a spectrum of what we know as the rainbow.
Newton explained his theory
he used a prism?
a prism, and the telescope
Newton
Newton Discovered that White light comprised of the entire spectrum of the visible wave length. When white light was shone through a triangular prism, it refracted the entire color spectrum.