Q. The increases in length is $l$ of a wire of length $L$ by the longitudinal stress. Then the stress is proportional to
A) $L/l$
B) $l/L$
C) $l \times L$
D) $l^{2} \times L$
Explanation
(b) Stress $\propto$ Strain $\Rightarrow$ Stress $\propto \frac{1}{L}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.