10. A wooden spoon is dipped in a cup of ice cream. Its other end(a) becomes cold by the process of conduction.(b) becomes cold by the process of convection.(c) becomes cold by the process of radiation.(d) does not become cold.
Question
- A wooden spoon is dipped in a cup of ice cream. Its other end(a) becomes cold by the process of conduction.(b) becomes cold by the process of convection.(c) becomes cold by the process of radiation.(d) does not become cold.
Solution
The correct answer is (a) becomes cold by the process of conduction.
Here's the step by step explanation:
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Conduction is the process by which heat energy is transmitted through collisions between neighboring molecules.
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In the case of the wooden spoon in ice cream, the molecules of the spoon are at a higher energy state (warmer) than the ice cream.
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When the spoon is dipped into the ice cream, the high energy molecules of the spoon collide with the lower energy molecules of the ice cream.
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This collision causes the energy (heat) to transfer from the spoon to the ice cream, causing the spoon to become cold.
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This process continues until the spoon and the ice cream reach thermal equilibrium, i.e., they are at the same temperature.
So, the wooden spoon becomes cold by the process of conduction.
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