2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    What does F represent in the following figure?

    A) Optical centre of the lens

    B) Centre of curvature

    C) Radius of curvature

    D) Focus

    E) None of these

    Correct Answer: D

You need to login to perform this action.
You will be redirected in 3 sec spinner