Physics-
General
Easy
Question
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
by them for complete fusion is

The correct answer is: 
From given curve,
Melting point for 
and melting point for 
Time taken by A for fusion
minute
Time taken by B for fusion
minute
Then
.
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