Question

A man can see only between 75 cm and 200 cm. The power of lens to correct the near point will be

• A.
  • 8/3 D
• B.
  • 3 D
• C. – 3 D
• D. – 8/3 D

Answer 1

Answer: (A)

• 8/3 D

Answer 2

For improving near point, convex lens is required and for this convex lens

$u = - 25 \mathrm {~cm}$ $v = - 75 \mathrm {~cm}$

So power