Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoHeat TransferEasy2 min

PhysicsEasymultiple choice

A heated body emits radiation with maximum intensity at frequency $ν_{m}$ . The temperature of the body is made three times its earlier value. Then:

Answer:

A, C

Solution:

$ν_{m} \propto T$ gives $3 ν_{m}$ (A). Total emission $\propto T^{4}$ gives $3^{4} = 81$ (C).

Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer

⏱ 2m

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