2. Questions Bank
  3. UPSC
  4. Physics
  5. Electric Current and Magnetism

UPSC Physics Electric Current and Magnetism Question Bank Electricity, Magnetism and Light

  • question_answer
          Which one among the following is used to make periscope?                           [NDA]

    A) Concave lens    

    B)      Concave mirror

    C) Plane mirror     

    D) None of the above

    Correct Answer: C

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