Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoHeat TransferEasy2 min

PhysicsEasyinteger

A wall of area 30 $m^{2}$ with absorptivity 0.25 faces the Sun, which delivers 800 W $m^{- 2}$ . Find the power absorbed in watts (whole number).

Answer:

6000

Solution:

$P = a \times I \times A = 0.25 \times 800 \times 30 = 6000$ W. A white or reflecting surface absorbs less.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer

⏱ 2m

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