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10 grade science> The change in focal length of an eye tens...

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The change in focal length of an eye tens is caused by the action of the
(a) pupil. (b) retina.
(c) ciliary muscles. (d) iris.

Pawan Prajapati , 5 Years ago

Grade 12

2 Answers

Harshit Singh

Dear Student

Option(c)is correct here.

Thanks

Last Activity: 5 Years ago

KAPADIA DEV

The ciliary muscle is a circular muscle that relaxes or tightens the zonules to enable the lens to change shape for focusing. The zonules are fibers that hold the lens suspended in position and enable it to change shape during accommodation. It increases or decreases the focal length of the eye lens.

Last Activity: 5 Years ago

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