Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoHeat TransferMedium2 min
PhysicsMediumstatement

Statement I: A block of wood and a shiny metal piece lie in the Sun. The wood absorbs more radiation than the metal.

Statement II: After some time the metal feels hotter to the touch than the wood, because it conducts heat to the hand faster.

Options:

Answer:
A
Solution:

The dull wood absorbs more radiation, but its low conductivity gives little heat to the hand. The metal absorbs less, but at its surface it conducts heat to the hand much faster, so it feels hotter. Both statements are true. A.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer
⏱ 2m

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