Question
Physics Question on Youngs double slit experiment
A steel rod of length 1 m and cross sectional area 10-4 m² is heated from 0°C to 200°C without being allowed to extend or bend. The compressive tension produced in the rod is______ ×104N. (Given Young's modulus of steel = 2×1011 Nm-2, coefficient of linear expansion = 10-5K-1)
Answer
The answer is : 4