Questions
The equation of a simple harmonic wave is given by where x and y are in meters and t is in seconds. The ratio of maximum particle velocity to the wave velocity is
detailed solution
Correct option is A
y=3sinπ2(50t−x) Particle velocity =∂y∂t=3π2×50cosπ2(50t−x) Maximum particle velocity =75πm/s Wave velocity v=ωk=501=50m/s& Required ratio =75π50=32πTalk to our academic expert!
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The frequency of a sound wave is n and its velocity is . If the frequency is increased to 4n, the velocity of the wave will be
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