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प्रश्न
When a sound wave travels through air, the air particles ______.
विकल्प
vibrate along the direction of the wave motion
vibrate but not in any fixed direction
vibrate perpendicular to the direction of the wave motion
do not vibrate
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उत्तर
When a sound wave travels through air, the air particles vibrate along the direction of the wave motion.
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संबंधित प्रश्न
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