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Define the Term: Power of Accommodation of the Eye. - Science

Short Note

Define the term: Power of accommodation of the eye.

Answer the following question.
What is meant by the power of accommodation of the eye?

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Solution 1

The ability of the eye lens to adjust its focal length, so as to clearly focus rays coming from distant as well a near objects on the retina, is called the power of accommodation of the eye.

Solution 2

When the ciliary muscles are relaxed, the eye lens becomes thin, the focal length increases, and the distant objects are clearly visible to the eyes. To see the nearby objects clearly, the ciliary muscles contract making the eye lens thicker. Thus, the focal length of the eye lens decreases and the nearby objects become visible to the eyes. Hence, the human eye lens is able to adjust its focal length to view both distant and nearby objects on the retina. This ability is called the power of accommodation of the eyes.

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NCERT Class 10 Science Textbook
Chapter 11 The Human Eye and the Colourful World
Q 1 | Page 190
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