Question

A person cannot see distinctly at the distance less than one metre. Calculate the power of the lens that he should use to read a book at a distance of 25 cm

• A.
  • 3.0 D
• B.
  • 0.125 D
• C. – 3.0 D
• D.
  • 4.0 D

Answer 1

Answer: (A)

• 3.0 D

Answer 2