10th Class Science Human Eye and Colourful World Question Bank Light and Human Eye

  • question_answer
    ???????? is the instrument used to measure the power of a spectacle.

    A) Dioptremeter                 

    B) Biometer

    C) Ammeter                      

    D) Anemometer

    E) None of these

    Correct Answer: A


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