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CBSE Class 9 Answered

Give reasons for the following. Thermometer reading remains constant for a while during melting of a solid even though we continue to heat the solid.  
Asked by Topperlearning User | 05 Apr, 2016, 12:12: PM
answered-by-expert Expert Answer

The heat supplied to the solid gets used up in changing the state by overcoming the forces of attraction between the particles. As this heat energy is absorbed by the solid and does not increase the kinetic energy of particles hence the thermometer does not show any rise in temperature.

Answered by | 05 Apr, 2016, 02:12: PM

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