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9th Class Science Sound Question Bank Sound

  • question_answer
    A longitudinal wave travels from east to west in air in which direction do the particles of air move?

    A) East to west  

    B) East to west and north to south

    C) North to south

    D) South to north

    Correct Answer: A

    Solution :

    If the particles in the medium vibrate along the direction of the propagation of the wave, the waves are called longitudinal waves.


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