1.

Heat given (H) to a substance was plotted against rise in temperature (theta). Which of the following parts of the graph (Fig. 6.3), most correctly depicts the latent heat of the substance?

Answer»

AB
BC only
CD
BC and DE

SOLUTION : BC and DE correspond to change of state of the substance WITHOUT any change of TEMPERATURE i.e., depict the latent heat of the substance.


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