Test Academy | A wire of radius r, Young’s modulus Y and length l is hung from a fixed point and supports a heavy metal cylinder of volume V at its lower end. The change in length of wire when cylinder is immersed in a liquid of density ρ is in fact Decrease by Vlρg/Yπr², Increase by Vrρg/Yπl², Decrease by Vρg/Yπr, Vρg/Yπ

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A wire of radius r, Young’s modulus Y and length l is hung from a fixed point and supports a heavy metal cylinder of volume V at its lower end. The change in length of wire when cylinder is immersed in a liquid of density ρ is in fact

Options :

Decrease by Vlρg/Yπr²
Increase by Vrρg/Yπl²
Decrease by Vρg/Yπr
Vρg/Yπ

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