Download App

Light — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceLight2 Marks
Question
What controls the amount of light entering the eye?
✓

Answer

The pupil regulates the amount of light entering the eye. However, the size of the pupil is controlled by the Iris. So, we can say that the iris controls and regulates the amount of light entering the eye.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "questions in short. [2 marks ]" from Light→Light — all question types→Science STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

What are oviparous animals? Give two examples of oviparous animals.
→
Why are children/ infants given vaccination ?
→
What is acrylic? State one important property of acrylic.
→
When natural gas is compressed by applying pressure, what is it called$?$
→
A matchstick does not catch fire on its own. But when It is rubbed, It starts burning. Why ?
→
Discuss some harmful effects of taking drugs.
→
What are rods and cones in the retina of an eye?
→
Name the non-metal which is essential for maintaining life and inhaled during breathing.
→
What change in the voice of body takes place when they reach puberty? What is the cause of this change?
→
Name the process in which a coating of one metal can be deposited on the surface of another metal by using current from a battery.
→