Thermal Stress

JEE Main Physics · Thermal Expansion and Calorimetry · 3 questions, latest first

• A brass wire of length 2 m and radius 1 mm at 27^° C is held taut between two rigid supports. Initially it was cooled to a…202624 January, Shift 1 · Q33
• A steel rod of length 1 m and cross sectional area 10^-4 m^2 is heated from 0^° C to 200^° C without being allowed to extend or…20238 April, Shift 2 · Q52
• A thin rod having a length of 1 m and area of cross-section 3 × 10^-6 m^2 is suspended vertically from one end. The rod is cooled…202331 January, Shift 1 · Q25