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Sound. A dust particle is floating in front of a loud speaker. When the speaker is turned on, the particle will. Move up and down. Be pushed away from the speaker. Move side to side. Not move at all. Move in a circular path. None of these is correct.

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  1. Sound

  2. A dust particle is floating in front of a loud speaker. When the speaker is turned on, the particle will • Move up and down. • Be pushed away from the speaker. • Move side to side. • Not move at all. • Move in a circular path. • None of these is correct.

  3. A candle flame is burning in front of a loud speaker. When the speaker is turned on, the flame will • Flicker up and down. • Lean away from the speaker. • Lean toward the speaker. • Move side to side. • Not move at all. • None of these is correct.

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