Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumstatement
On moon if ice cubes are placed what will happen to it.
Evaluate the following statements.
Statement I: It forms a stable open puddle at all temperatures.
Statement II: On the sunlit lunar surface, exposed ice tends to sublime rather than form a stable liquid puddle.
Options:
Answer:
C
Solution:
The Moon has no atmosphere (essentially vacuum). Ice cannot melt into a stable liquid there. In sunlight it is heated and sublimates directly to vapour; in permanently shadowed, very cold regions it can persist. Statement I is false and Statement II true. Correct option: (C).
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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