PDF chapter test TRY NOW
- Take a glass prism.
- Allow a narrow beam of sunlight through a small hole in the window of a dark room to fall on one face of the prism.
- Let the light coming out of the other face of the prism fall on a white sheet of paper or on a white wall.
What do you observe?
The spectrum of colours that resembles the colours in the can be seen. This proves that the sunlight is a , and these colours combine to produce light.
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