At evening, the Sun appears red because of _________ of light.
reflection
scattering
diffraction
refraction
A small air bubble in a glass block, when seen from above, appears to be raised because of:
(a) refraction of light
(b) reflection of light
(c) reflection and refraction of light
(d) none of the above
Sun appears red at sunrise and sunset. This happens because the component of light having _________, gets scattered away.