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Q: What is the S.I. unit of heat?
  • A. Calorie
  • B. Joule
  • C. Centigrade heat unit
  • D. British thermal unit
Correct Answer: Option B - All forms of energy are measured in terms of joules in the SI system. • Heat is form of energy and therefore the SI unit of heat is also joules (J).
B. All forms of energy are measured in terms of joules in the SI system. • Heat is form of energy and therefore the SI unit of heat is also joules (J).

Explanations:

All forms of energy are measured in terms of joules in the SI system. • Heat is form of energy and therefore the SI unit of heat is also joules (J).