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Explain the process of heating and …

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Explain the process of heating and cooling
  • 1 answers

Meghna Thapar 5 years, 11 months ago

  • The increase in size of an object on heating is called expansion.
  • The decrease in size of an object on cooling is called contraction.

    Expansion on heating is a reversible change:

    When an object is heated, it increases in size thus expansion takes place on heating. When the hot object is cooled, it decreases in size and comes back to the original size by contraction.

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