Physics
What are primary colours? Name the three primary colours.
Reflection of Light
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Answer
Primary colours are the colours of light by mixing which white light is obtained but they themselves cannot be obtained by mixing any other colours of white light. The three primary colours are red, green and blue.
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(b) Light going from glass to water.
(c) Light going from water to air.
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(a) Blue + ……………. = Cyan
(b) Red + Blue + ………………… = White
(c) Red + Blue = ………………..
(d) Green + Red = ……………………
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