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

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.

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If an iron ball at  $40\degree C$  is dropped in a mug containing water at $40\degree C$.  Then, the heat will

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

Because heat will flow from an object with high temperature to an object having a low temperature.  But here temperature of both liquid and iron ball is same.
Therefore, no flow of heat take place

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