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In the diagram given below X and Y are the end colours of the specturm of white light. The colour of 'Y' Represents the(a) Colour of sky as seen from earth during the day. (b) colour of the sky as seen from the moon. (c) Colour used to paint the danger signals. (d) Colour of sun at the time of noon |
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Answer» Correct option is (c) Colour used to paint the danger signals. |
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