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

9th Class Science Sample Paper Science Olympiad Model Test Paper-4

  • question_answer
    Which one of the following is common both in sound and light waves?

    A) Have similar wavelength

    B) Obey the laws of reflection

    C) Travel as longitudinal waves

    D) Travel through vacuum

    E) None of these

    Correct Answer: B

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