8th Class Science Sample Paper Science Sample Paper-3

  • question_answer
    Which one of the following is incorrect about sound?

    A) Speed of sound in the air is about 340 m/s

    B) Speed of sound is maximum in solid

    C) Sound required a medium for propagation

    D) Sound can travel in vacuum

    E) None of these

    Correct Answer: D


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