1.

Two substances A and B of equal mass m are heated at uniform rate of 6 cal s?1 under similar conditions. A graph between temperature and time is shown in figure. Ratio of heat absorbed \[{{H}_{A}}/{{H}_{B}}\] by them for complete fusion is

A.            \[\frac{9}{4}\]
B.            \[\frac{4}{9}\]
C.            \[\frac{8}{5}\]
D.            \[\frac{5}{8}\]
Answer» D.            \[\frac{5}{8}\]


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