What does the pupil regulate?
AAmount of length
BAmount of lining
CAmount of light
DAmount of liquid
Answer & Solution
Correct answer: C. Amount of light
1. The iris changes its size.
2. That controls what reaches the retina.
3. It regulates the amount of light.
_Source: NCERT Class 10 Science, Ch 11 'The Human Eye and the Colourful World'_
Related questions
Red is used for danger signals because it is:The sky is blue because the atmosphere scatters light of:Scattering of light by colloidal particles gives rise to the:Why do planets not twinkle?The twinkling of a star is due to atmospheric:Who was the first to use a glass prism to obtain the spectrum?The acronym for the colours of the spectrum is:A person with both myopia and hypermetropia needs which lenses?