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Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringEquation/graphEasy2 minPYQ_2016

PhysicsEasysingle choice

Two strings $A$ and $B$ of same material are stretched by same tension. The radius of the string $A$ is double the radius of string $B$ . Transverse wave travels on string $A$ with speed $V_{A}$ and on string B with speed $V_{B}$ . The ratio $\frac{V_{A}}{V_{B}}$ is

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Answer:

Solution:

The velocity of wave travelling on string is
$\sqrt{\frac{T}{μ}}$ $= \sqrt{\frac{T}{ρ . π r^{2}}}$
$V \propto \frac{1}{r}$
$\frac{V_{A}}{V_{B}} = \frac{r_{B}}{r_{A}} = \frac{1}{2}$

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

⏱ 2mℹ️ Source: PYQ_2016

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