Q. The Young’s modulus of a wire of length $L$ and radius $r$ is $Y\ N/m^{2}$. If the length and radius are reduced to $L/2$ and $r/2$, then its Young’s modulus will be
A) $Y/2$
B) $Y$
C) $2Y$
D) $4Y$
Explanation
(b) Young’s modulus of wire does not vary with dimension of wire. It is the property of given material
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.