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प्रश्न
State the general name of the waves in which the particles of the medium vibrate :
(i) in the same direction as wave.
(ii) at right angles to the direction of wave.
उत्तर
(a) Longitudinal waves are the waves in which particles of the medium vibrates in the same direction of wave.
(b) Transverse waves are the waves in which particles of the medium vibrates at right angles to the direction of wave.
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