The distance between a compression and its next rarefaction is of a longitudinal wave is: (λ denotes wavelength)
A
λ/2
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B
λ/8
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C
2λ
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D
λ/4
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Solution
The correct option is A
λ/2
The wavelength of a sound wave is defined as the distance between two consecutive compressions or rarefactions. So the distance between immediate compression and rarefaction will be λ2.