Physics
Grade-10
Easy
Question
The size of the pupil decreases when ____.
- There is not enough light
- There is enough light
- It is totally dark
- None of the above
Hint:
We can't see in too high or too low light.
The correct answer is: There is enough light
The size of the pupil decreases when there is enough light. This is done to control the amount of light entering the eye.
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