how did isaac newton discover that light was made of many colour
Answers
Answer:
the history of science, documents Newton's discoveries from his experiments passing light through a prism.
He identified the ROYGBIV colors (red, orange, yellow, green, blue, indigo, and violet) that make up the visible spectrum. ... They allow us to see the all the colors of the rainbow.
Answer:
Discovery :-
Sir Isaac Newton, while studying the image of a heavenly body formed due to refraction of light by a lens, found that the image was colored at the edges. He initially thought that the colored image is due to some defect of the lens. He then repeated the experiment with a carefully polished lens, but the image was STILL COLORED.
Newton concluded that the fault is not with the lens, but there is something in the nature of white light itself due to which the image is colored at its edges.
To investigate it further, he performed another experiment with a prism.
Newton's Experiment:
=> Newton allowed white light from sun to enter a dark room through a small aperture in a window and placed a glass prism in the path of the light rays.
=> The light emerging out of the prism was received on a white screen.
=> On the screen, a colored patch like a rainbow was obtained which was termed as spectrum.
Conclusion :-
From his experiment Newton concluded that white light consists of seven prominent colors. Each color corresponds to a small range of wavelength. Thus, white light is a mixture of a large number of wavelengths (polychromatic in nature poly : many chroma : light)
