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Question

The ability of an eye lens to change its ___ to form sharp images is called power of accomodation.

A
wavelength
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B
texture
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C
focal length
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D
color
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Solution

The correct option is C focal length
Power of accommodation is the ability of eyelens to adjust its focal length according to the object distance, to obtain a sharp image on the retina. Since for convex lens, the image distance varies depending on the object distance, with varying focal length of the lens, the images can be made to form on the retina.

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