Book: Lakhmir Singh & Manjit Kaur - Physics
Chapter: 3. Sources of Energy
Subject: Physics - Class 10th
Q. No. 3 of Very Short Answer Type Questions-Pg-121
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3
“The calorific value of cooking gas (LPG) is 50 kj/g”. What does it mean?
Since Calorific value is the amount of heat produced by burning a unit of the fuel completely, hence, calorific value of LPG is 50kJ/gm means that if 1 gram of LPG is burnt completely, then 50kJ of heat energy will be produced.
