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Like light waves, sound waves also get reflected when these fall on the surface of an obstacle. But unlike light waves, sound waves do not necessarily require a polished surface for reflection. Also, transverse and longitudinal waves can be set up in strings to measure the speed of a pulse through it.
Questions are based on the paragraph given above. Study the paragraph and answer the questions that follow.
Waves produced by a motor boat sailing in water are :
(a) transverse
(b) longitudinal
(c) longitudinal and transverse

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