Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumsingle choice
A deep lake is cooled from the surface in winter and ice has just begun to form on top. The temperatures at the top and near the bottom are respectively:
Options:
Answer:
B
Solution:
Water is densest at 4°C, so 4°C water sinks to the bottom while colder, lighter water stays on top and freezes. Answer (B).
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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