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

9th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    The cathode rays are stream of fast moving:

    A) Electrons                       

    B) Protons

    C) Neutrons                       

    D) Electrons and protons

    E) None of these

    Correct Answer: A

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