Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionEasy2 minQB
PhysicsEasysingle choice
Three metallic rods are riveted to each other as shown. and are the linear expansion coefficients of aluminium and steel, with . When the arrangement is heated:
Options:
Answer:
B
Solution:
Aluminium would expand more freely than steel.
The riveted steel restrains this extra expansion.
Aluminium develops compressive stress.
Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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