Question

1. "pupil acts as variable aperture" . explain

Answer 1

Answer:

Pupil has variable aperture, it changes its aperture depending on light entering eyes. Pupil act as the variable aperture of eye. Iris plays a great role in expanding and contracting the size of pupil.

Explanation:

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Answer 2

Answer:

Pupil has variable aperture, it changes itsaperture depending on light entering eyes. Pupil act as the variable aperture of eye. Iris plays a great role in expanding and contracting the size of pupil.

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