A steel wire of length 3.2 ~m(Y s =2.0 × 10¹¹ Nm⁻²) and a copper wire of length 4.4 ~m(Y c =1.1 × 10¹¹ Nm⁻²), both of radius 1.4 ~mm are connected end to end. When stretched by a load, the net elongation is found to be 1.4 ~mm. The load applied, in Newton, will be: (. Given π=22/7)

Properties of Solids and Liquids: JEE Main 2022 Physics question

JEE Main 2022 · 27 Jul, Evening shift · Q7950

JEE Main 202227 Jul, Evening shiftPhysicsMediumProperties of Solids and Liquids184× since 2002

A steel wire of length

3.2 \mathrm{~m}\left(\mathrm{Y}_{\mathrm{s}}=2.0 \times 10^{11} \,\mathrm{Nm}^{-2}\right)

and a copper wire of length

4.4 \mathrm{~m}\left(\mathrm{Y}_{\mathrm{c}}=1.1 \times 10^{11} \,\mathrm{Nm}^{-2}\right)

, both of radius

1.4 \mathrm{~mm}

are connected end to end. When stretched by a load, the net elongation is found to be

1.4 \mathrm{~mm}

. The load applied, in Newton, will be:

\quad\left(\right.

Given

\pi=\frac{22}{7}

)

JEE Main 2022 Properties of Solids and Liquids Question with Solution (27 Jul Evening shift, Q7950) | JEE Arc