Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumsingle choice

A paddle wheel in a tank holding 2 kg of water is turned by an 8 kg block falling slowly through , wheel capacity negligible). The temperature rise and the heat supplied to the water are:

Options:

Answer:
A
Solution:

Work is dissipated: . It is work, not heat, so heat supplied . A.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB

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