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A Rose Appears Red in White Light. How Will It Appear in (I) Green Light, (Ii) Red Light ? Give a Reason for Your Answer for Each. - ICSE Class 7 - Physics

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Question

A rose appears red in white light. How will it appear in
(i) green light, (ii) red light ? Give a reason for your answer for each.

Solution

(i) If a red rose is seen in green light, it appears black. The reason is that the rose absorbs the green light falling on it and reflect none.
(ii) If a red rose is seen in red light, it appears bright red. This is because the rose reflects the red light falling on it and absorbs none of it.

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Solution A Rose Appears Red in White Light. How Will It Appear in (I) Green Light, (Ii) Red Light ? Give a Reason for Your Answer for Each. Concept: Formation of Secondary Colours by Colour Addition..
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