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.
B. It is due to refraction.
C. It is the effect of scattering of light.
D. It is due to parallax error.
Answer:A
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. B. It is due to refraction. C. It is the effect of scattering of light. D. It is due to parallax error.