Oscillations and Waves: JEE Main 2020 Physics question

JEE Main 2020 · 7 Jan, Morning shift · Q8500

JEE Main 20207 Jan, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

Speed of a transverse wave on a straight wire (mass 6.0 g, length 60 cm and area of cross-section 1.0 mm²) is 90 ms⁻¹. If the Young's modulus of wire is 16

\times

10¹¹ Nm⁻², the extension of wire over its natural length is :

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