Answers

2015-08-24T21:25:09+05:30
Heat is a form of energy that flows from a hotter body to a cooler body . It occurs when two bodies are brought into contact . Its SI unit is Joule . 
Example : When two stones are brought into contact and rubbed thoroughly , heat is produced .
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2015-08-24T21:39:09+05:30
HEAT TRANSFER OCCUR FROM A REGION OF HIGH TEMP. TO ANOTHER OF LOWER TEMP.
AS A FORM OF ENERGY HEAT HAS THE UNIT JOULE (J) IN THE SI.


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