A dust particle is located in front of a silent loudspeaker (see figure). The lo

Question

A dust particle is located in front of a silent loudspeaker (see figure). The loudspeaker is turned on and plays a note at a constant (low) pitch. Which choice or combination of the choices a-f{listed below) can describe the motion of the dust particle after the loudspeaker is turned on? Circle the correct letter or letters. Explain. Possible responses for question 10: a) The dust particle will move up and down. b) The dust particle will be pushed away from the speaker. c) The dust particle will move side to side. d) The dust particle will not move at all. c) The dust particle will move in a circular path. f) None of these answers is correct.

Explanation / Answer

the sound wave travels through the medium by to and fro movement of particles of medium, hence the dust particle will move side by side

c)

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