Find the ratio of the energy radiated by a black body at 62 7 ∘ C to that at 2 7 ∘ C.

Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoHeat TransferEasy2 min

PhysicsEasysingle choice

Find the ratio of the energy radiated by a black body at $62 7^{\circ}$ C to that at $2 7^{\circ}$ C.

Answer:

Solution:

$T$ goes from 300 K to 900 K, a factor 3. The ratio is $3^{4} = 81$ . A.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer

⏱ 2m

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