ICSE Class 7 Physics Question 31 of 33

Light Energy — Question 31

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Question

Question 31

A rose appears red in white light. How will it appear in:

(i) green light,

(ii) red light?

Give a reason for each of your answers.

Answer

(i) A red rose appears black in green light because it absorbs the green light falling on it and reflects none.

(ii) A red rose appears bright red in red light because it reflects the red light falling on it and absorbs none of it.