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  • A string is hanging from a rigid support. A transverse wave plus is set up at the free end. The velocity  of th

A string is hanging from a rigid support. A transverse wave plus is set up at the free end. The velocity V of the pulse related to the distance x covered by it is given as  - 

Option: 1

v \propto \sqrt{x}


Option: 2

v \propto x


Option: 3

v \propto \frac{1}{x}


Option: 4

None


Answers (1)

best_answer

Tension at distance x from free end.

T_x=W_x=m_x g(\mu x g)

\begin{aligned} & \sqrt{\frac{T_x}{\mu}}=\sqrt{x g} \\ & v=\sqrt{x g} \end{aligned}

v \propto \sqrt{x}

Posted by

vishal kumar

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