# A structural steel rod has a radius of $10 \mathrm{~mm}$ and length of $1.0 \mathrm{~m}$. A $100 \mathrm{kN}$ force stretches it along its length. Young’s modulus of structural steel is $2 \times 10^{11} \mathrm{Nm}^{-2}$. The percentage strain is about

Question:

A structural steel rod has a radius of $10 \mathrm{~mm}$ and length of $1.0 \mathrm{~m}$. A $100 \mathrm{kN}$ force stretches it along its length. Young’s modulus of structural steel is $2 \times 10^{11} \mathrm{Nm}^{-2}$. The percentage strain is about

1. $0.16 \%$

2. $0.32 \%$

3. $0.08 \%$

4. $0.24 \%$

JEE Main Previous Year Single Correct Question of JEE Main from Physics Mechanical Properties of Solids chapter.

JEE Main Previous Year May 7, 2012

Correct Option: 1

Solution:

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