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Physics GK · Q38

Light

Competitive Exams · Physics GK · question 38

Q38

Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?

A.
The cloth completely absorbs red colour wavelength
Answer
B.
It is due to refraction
C.
It is the effect of scattering of light
D.
It is due to parallax error

Answer: Option A

Solution

Answer: Option A
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