Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediummultiple choice
Two connected discs of the same material and thickness are placed on a smooth horizontal surface, as shown. When their temperature is raised, choose the correct options:
Options:(select one or more)
Answer:
B, C, D
Solution:
The centre of mass stays fixed on the smooth surface.
It lies left of the contact point because the left disc is larger.
Uniform expansion about it moves and right and left.
Thus B, C and D hold.
Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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