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Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringMiscellaneousMedium2 minPYQ_2023

PhysicsMediumsingle choice

A transverse wave $Y = 2 sin (0.01 x + 30 t)$ moves on a stretched string from one end to another end in 0.5 second. If $x$ and $y$ are in $cm$ and $t$ in second, then the length of the string is

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Solution:

Given $Y = 2 sin (0.01 x + 30 t)$ Comparing with standard equation, $Y ∴ k ω = A sin (kx + ω t), = 0.01/ cm = 30 rad / s$ $Velocity v ∴ Length L = \frac{ω}{k} = \frac{30}{0.01} = 3000 cm / s = v \times t = 30 \times 0.5 = 15 m$

Stream:MHT_CETSubject:PhysicsTopic:Wave on StringSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2023

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