The waves which propagate in metals are ___________.
A
longitudinal
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B
transverse
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C
both (a) and (b)
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D
neither (a) nor (b)
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Solution
The correct option is C both (a) and (b) Waves travelling through a solid medium can be either transverse waves or longitudinal waves. Transverse wave cannot travel through liquid or gas as it require a relatively rigid medium in order to transmit their energy.