Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumstatement
Statement I: For two fully constrained straight rods heated equally in the linear-elastic range, equal thermal stress requires .
Statement II: Equal thermal stress necessarily means equal force on the supports, even for different cross-sectional areas.
Options:
Answer:
B
Solution:
, giving the stated product condition. Force is and depends on area. Statement I is true; Statement II is false.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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