A tuning fork with a time period of 1256s produces a sound wave in which the separation between adjacent compression and rarefaction is 0.7m. Then, the speed of sound wave is
A
250m/s
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B
400m/s
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C
310m/s
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D
358m/s
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Solution
The correct option is D358m/s Distance between adjacent compression and rarefaction is equal to half of the wavelength as we can see below.
Given that the separation between adjacent compression and rarefaction is 0.7m, the wavelength is twice the separation.