Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionHard2 minQB
PhysicsHardmultiple choice
Diagram shows the variation of potential energy with separation between the two atoms for three different substances. All the objects are nearly at absolute zero temperature. Choose the correct statement(s) :
Options:(select one or more)
Answer:
A, C, D
Solution:
At near absolute zero, molecules are at lowest potential energy level. Thus from graph, A expands, B neither expands nor contract while C contracts on heating.
Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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