A person suffering from far – sightedness wears a spectacle having a convex lens of focal length 50 cm. What is the distance of the near point of his eye?
Question
Solution 1
The condition of far-sightedness, also known as hypermetropia, means that the person can see distant objects clearly but has difficulty focusing on near objects. This is corrected by using a convex lens.
The formula used to calculate the distance of the near point for a hypermetropic eye is:
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