Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoHeat TransferMedium2 min

PhysicsMediumsingle choice

A body at $30 0^{\circ}$ C radiates 10 J $c m^{- 2}$ $s^{- 1}$ . If the Sun radiates $1 0^{5}$ J $c m^{- 2}$ $s^{- 1}$ , then its temperature is:

Answer:

Solution:

The power rises by $1 0^{4}$ , so $T$ rises by $10$ times. $T = 573 \times 10 = 5730$ K = $545 7^{\circ}$ C. B.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer

⏱ 2m

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