JEE Main & Advanced
Physics
Thermometry, Calorimetry & Thermal Expansion
JEE PYQ-Thermometry Calorimetry and Thermal Expansion
question_answer
A metal rod of Young's modulus Y and coefficient of thermal expansion \[\alpha \] is held at its two ends such that its length remains invariant. If its temperature is raised by t°C, the linear stress developed in its is : [AIEEE 11-05-2011]