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Q.

Is it true that the normal eye cannot see objects clearly closer than 25 cm?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is true.
A normal eye can see objects at various distances clearly due to the ability of the ciliary muscles to increase or decrease the focal length of the eye lens. However, a normal human eye lens can only focus objects placed farther than 25 cm, so objects closer than 25 cm cannot be seen from the normal human eye.       
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