2. Sample Papers
  3. 6th Class
  4. Science

6th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    Which one of the following lenses/mirrors is used by a dentist to examine the teeth?

    A) Convex lens

    B) Concave mirror

    C) Convex mirror

    D) Concave lens

    E) None of these

    Correct Answer: B

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