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25 October, 10:34

Which of these represents transfer of heat through conduction when a fireplace is lit in a room? Hot air rises through the chimney. Cool air is drawn in from the sides. A spade placed in the fire turns hot. A person sitting nearby feels the heat.

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  1. 25 October, 14:24
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    A spade placed in the fire turns hot.

    Explanation:

    If you place a spade in the fire, the heat travels through the metal towards your hand. This is an example of conduction: the transmission if heat through a substance by collisions between its particles.

    A and B are wrong. The transmission of heat by the movement of air is convection.

    D is wrong. A person sitting near the fire feels the heat by radiation.
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Home » Biology » Which of these represents transfer of heat through conduction when a fireplace is lit in a room? Hot air rises through the chimney. Cool air is drawn in from the sides. A spade placed in the fire turns hot. A person sitting nearby feels the heat.
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