The colour of sky is blue during day time, red during sunset and black at night. This is due to
A. Scattering of light
B. Small particles present in atmosphere
C. Atmospheric refraction
D. All of the above.
Answer:D
The colour of sky is blue during day time, red during sunset and black at night. This is due to
A. Scattering of light B. Small particles present in atmosphere C. Atmospheric refraction D. All of the above.