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Question paper (A-level) : Paper 1 - June 2019

Question paper (A-level) : Paper 1 - June 2019

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IB/M/Jun19/7408/1 Do not write outside the 0 6 box . 3 around it. The loudspeaker creates variations in pressure and produces a sound wave in the air State the type of wave produced and describe the motion of the particles in this type of wave. [1 mark]

  Types, Variations

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