why can't we see the objects nearer than 25 CM clearly with the normal eye
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because it is the eyes maximum accomidation so we cant see objects nearer than 25cm
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the near vision of a normal eye is 25cm means we can't see clearly nearer than 25 CM this is the fact that the convex lens fit inside and normal eye can decrease aur increase its focal length and this phenomenon is called the power of accommodation of eye but 25cm is an extent below which the normal I cannot decrease its focal length further
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