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  • If the speed of longitudinal waves equal 10 times the speed of the transverse wave in a stranded wire of material which has modulus of elasticity 'E', then the stress in the wire is -<d

If the speed of longitudinal waves equal 10 times the speed of the transverse wave in a stranded wire of material which has modulus of elasticity 'E', then the stress in the wire is -

Option: 1

10 E


Option: 2

100 E


Option: 3

E/10


Option: 4

E/100


Answers (1)

\sqrt{\frac{E}{P}}= 10 \sqrt{\frac{T}{\mu }}\ => 100\left ( \frac{T}{\mu } \right ) = \frac{F}{f}                But , f_{s} = \mu

Stress = \frac{T}{S} = \frac{E}{100}

\frac{T}{S} = \frac{Er}{100 ps} 

 

Posted by

Sumit Saini

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