Consider the following statements about sound passing through a gas (a) the pressure of the gas at a point oscillates in time. (b) the position of small layer of the gas oscillates in time.
A
both (a) and (b) are correct
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B
(a) is correct and(b) is wrong
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C
(b) is correct and(a) is wrong
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D
both (a) and (b) are wrong
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Solution
The correct option is C both (a) and (b) are correct Both the statements are correct.
Sound wave is a longitudinal wave and hence pressure and position both will oscillate with time.