Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringEquation/graphEasy2 minPYQ_2019

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A string wave equation is given $y = 0.002 sin (300 t - 15 x)$ and mass density is $μ$ $= 0.1 kg m^{- 1}$ . Then find the tension in the string.

Answer:

Solution:

In string, wave speed is $v = T / μ$ $v = \frac{ω}{k} = \frac{300}{15} = 20 m s^{- 1} T = μ v^{2} = 0.1 \times 20 \times 20 = 40 N$

Stream:AIIMSSubject:PhysicsTopic:Wave on StringSubtopic:Equation/graph

⏱ 2mℹ️ Source: PYQ_2019

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