(a) What happens when a beam of light enters a prism?
(b) Rajesh made the light from laser torch to fall on a prism. He was unable to observe a
band of seven colours. Why?
(c) State abbreviation for the correct sequence (1-7) of colours in the spectrum
(d)Who discovered that sunlight is made up of seven colours?
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Answer:
1. THE BEAM OF LIGHT GET SCATTERS INTO 7 COLOURS.
2. SORRY, DON'T KNOW.
3. red, orange, yellow, green, blue, indigo and violet.
4. IT'S ISAAC NEWTON.
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