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Question

What is the meaning of latent heat?


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Solution

Latent heat:

  • Latent heat is defined as the amount of heat energy released or absorbed during a phase transition at constant temperature is known as latent heat.
  • It describes the internal energy of the system.
  • Mathematically latent heat is represented as follows:


Q=mL

where ‘Q’ is the heat supplied, ‘m’ is the mass of substance, and ‘l’ is the latent heat.

  • The SI unit of latent heat is Joulekg.

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