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Why do we have to bring a small object n...

Why do we have to bring a small object near the eyes in order to see it clearly ?

Text Solution

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a. The apparent size of an object depends on the angle subtended by the object with the eye.
b. The object appears larger if it subtends greater angle with the eye. Hence, to see a small object clearly, we have to bring it closer to the eyes so that it subtends a greater angle with the eyes.
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