Question

Q) the amount of light entering the eye is controlled by - (a) Pupil (b) Iris

Answer 1

Answer:

b) Iris

Explanation:

Iris helps in adjusting the size of the pupil based on the intensity of light. Pupil is just a passage through which light enters our eye.

When the intensity of light is high, the iris contracts the size of the pupil and reduces the amount of light entering the eye. When the light intensity is low, iris expands the pupil so that more light can enter the eye.

Answer 2

Answer:

(2)IRIS

Explanation:

Iris controls the size of pupil which is the entrance of light rays into eyes by contaction and relaxation .

thus, iris controls amount of light entering into eye.

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