Q. When a rod is heated but prevented from expanding, the stress developed is independent of
A) Material of the rod
B) Rise in temperature
C) Length of rod
D) None of above
Explanation
(c) Stress $= Y\alpha\mathrm{\Delta}\theta;$ hence it is independent of length
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.