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Question 9

An iron ball at 40°C is dropped in a mug containing water at 40°C. The heat will

(a) flow from iron ball to water.
(b) not flow from iron ball to water or from water to iron ball.
(c) flow from water to iron ball.
(d) increase the temperature of both.

Answer

(b) not flow from iron ball to water or from water to iron ball.

The heat will neither flow from iron ball to water and nor from water to iron ball because they both have the same temperature.

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