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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoHeat TransferHard2 min

PhysicsHardnumerical

Two concentric spheres of radii 1 cm and 5 cm are held at 400 K and 300 K with a uniform substance between them. Find the temperature at $r = 2$ cm, in K.

Answer:

337.50

Solution:

$T = T_{1} + \frac{T _{2} - T _{1}}{1/ R _{1} - 1/ R _{2}} (\frac{1}{R _{1}} - \frac{1}{r}) = 400 + \frac{- 100}{100 - 20} (100 - 50) = 400 - 62.5 = 337.5$ K (radii in cm).

Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer

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