A steel rod is clamped at its two ends and rests on a fixed horizontal base. The rod is…
Physics · JEE Advanced · NTA Exams — Thermodynamics
A steel rod is clamped at its two ends and rests on a fixed horizontal base. The rod is unstrained at 20°C. Find the longitudinal strain developed in the rod if the temperature rises to 50°C. Coefficient of linear expansion of steel = 1.2 × 10–5/°C.
- 6 × 10–4
- 3.6 × 10–5
- 2.4 × 10–4
- 3.6 × 10–4
Answer
(D) 3.6 × 10 –4
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