Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoHeat TransferMedium2 min

PhysicsMediuminteger

A black closed container of surface area 0.5 m² holds water at 400 K and stands in surroundings at 300 K. Find the net radiated power in W.

Answer:

496

Solution:

$P = σ A (T^{4} - T_{0}^{4}) = 5.67 \times 1 0^{- 8} \times 0.5 \times (40 0^{4} - 30 0^{4}) = 496$ W (from the water to the surroundings).

Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer

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