The pupil appears black because no light is reflected from it.
Hence, the statement is true.
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
The _____ appears black because no light is reflected from it.
b)There are no light sensetive cells in the blind spot in the eye.