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Which of the Following Controls the Amount of Light Entering the Eye? (A) Ciliary Muscles (B) Lens (C) Iris (D) Cornea

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Question

Which of the following controls the amount of light entering the eye?
(a) ciliary muscles
(b) lens
(c) iris
(d) cornea

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Solution

 Iris

The iris controls the amount of light entering the eye.

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Chapter 3: The Human Eyes And The Colorful World - Exercise 1 [Page 150]

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Lakhmir Singh Physics Part 1 [English] Class 10
Chapter 3 The Human Eyes And The Colorful World
Exercise 1 | Q 48. | Page 150
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