1.

A student takes 50gm wax (specific heat = 0.6 kcal/kg°C) and heats it till it boils. The graph between temperature and time is as follows. Heat supplied to the wax per minute and boiling point are respectively                                             [BHU 1994]

A.            500 cal, 50°C                         
B.            1000 cal, 100°C
C.            1500 cal, 200°C                    
D.            200°C
Answer» D.            200°C


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