WBCS.LIVE practice question

Which of the following statements regarding the lenses is/are correct? I. Power of a convex lens is represented as a positive number. II. Power of a concave lens is represented as a negative number.

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Both I and II
  2. Only I
  3. Only II
  4. Neither I nor II

Correct answer and explanation

Correct answer: Both I and II