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Sound Wave:Displacement Equation

Assertion :A ...

Question

Assertion :A sinusoidal wave is created in a thick rope by moving hand holding the rope up & down. If the hand is moved up and down with greater frequency, the wave reached the other end more quickly. Reason: Wave velocity is product of frequency & wavelength for a sinusoidal wave.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is D Assertion is incorrect but Reason is correct
Wave velocity $v = ν \times λ$ .
So assertion is incorrect but Reason is correct.
Ans: D

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