A calorie is a unit of heat and equals 4.2 J. Suppose we employ a system of units m which the unit of mass is 
kg, the unit of length is 
metre and the unit of time is 
second. ln this new system, 1 calorie 
A
B
4.2 
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
According to question
Unit of mass 
Unit of length 
Unit of time 
Work 
force 
displacement
Work 
Energy 
We can say 
Joule
1 calorie 
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