Question

how to rectify these defects by using lenses with ray diagram​

Answer 1

Answer:

Hypermetropia or long sightedness : It is the defect of human eye in which a person can see clearly objects at large distances from it. but cannot see nearby objects clearly.

Correction : It is corrected by using spectacles having convex lens, which converges and shifts the image to retina from beyond.

Explanation:

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Answer 2

Answer:

Hypermetropia or long sightedness : It is the defect of human eye in which a person can see clearly objects at large distances from it. but cannot see nearby objects clearly.

Correction : It is corrected by using spectacles having convex lens, which converges and shifts the image to retina from beyond.