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Question

In which direction do particles vibrate, if sound is travelling from east to west in air?

A
North-South
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B
South- East
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C
North- West
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D
East-West
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Solution

The correct option is D East-West
In air, sound travels in the form of a longitudinal wave in which the vibration of the particles of a medium and propagation of a wave are parallel to each other. So, if the sound wave is travelling from east to west, the particles will also vibrate themselves in the same direction.

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