Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumsingle choice
A bimetal of brass and iron strips welded together is straight at room temperature. It is held vertically with the brass strip on the left and the iron strip on the right, and heated. Given , the strip will:
Options:
Answer:
B
Solution:
Brass (left) expands more and takes the convex outer side; the strip curves with its centre on the right: bends towards right. Answer (B).
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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