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Q7. Answer briefly:
(a) How do you perceive the colour of an object?
Answers (1)
Ans: Cone cells present in the retina of the eye are responsible for colour vision. There are three kinds of cone cells which respond to red, green and blue light. Different cone cells get stimulated at different wavelengths of light. The other colours are detected by the simultaneous stimulation of more than one kind of cone cells. When all the three types of cells are stimulated simultaneously, a sensation of white light is produced.
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