Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumsingle choice
A source of heat supplies heat at a constant rate to a solid cube. The variation of the temperature of the cube with heat supplied is shown in figure-1.25. The portion DE of the graph represents conversion of:
Options:
Answer:
B
Solution:
AB: solid warms;
BC: melting;
CD: liquid warms;
DE: constant temperature while the liquid vaporizes;
EF: vapour warms.
Answer (B).
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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