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प्रश्न
A wave going in a solid
(a) must be longitudinal
(b) may be longitudinal
(c) must be transverse
(d) may be transverse.
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उत्तर
(b) may be longitudinal
(d) may be transverse
Particles in a solid are very close to each other; thus, both longitudinal and transverse waves can travel through it.
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