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When an object is heated its temperature definitely increases?

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in Physics – Class 11 by (74.2k points)
When an object is heated its temperature definitely increases?

(a) True

(b) False

The question was asked in class test.

Asked question is from Temperature and Heat in chapter Thermal Properties of Matter of Physics – Class 11

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Right answer is (b) False

To elaborate: When we supply heat to a body it’s not necessary for its temperature to increase. The heat may increase temperature, it may expand or change state. For eg: when ice is melting, we provide heat but conversion from ice to water takes place at constant temperature.

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