2. Sample Papers
  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Olympiad Model Test Paper-8

  • question_answer
    Which one of the following is correct about the comparison of mass of a proton and mass of an electron?

    A) Mass of a proton is 200 times that of an electron.

    B) Mass of a proton is 1837 times that of an electron.

    C) Mass of a proton is 3000 times that of an electron.

    D) All of these

    E) None of these

    Correct Answer: B

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