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easyMCQUPTET Paper 2 (Maths & Science)2017Mathematics and Science
1 mark

The SI unit of heat is

  1. A
    joule
  2. B
    erg
  3. C
    calorie
  4. D
    watt

Solution & Step-by-step Explanation

Heat is a form of energy transferred between systems due to a temperature difference.
The SI unit of heat is the joule (J), which is the standard unit for all forms of energy.

Erg is the CGS unit of energy/work.

Calorie is a non-SI metric unit of heat energy.

Watt is the SI unit of power (J/s).

Practice this question

Try it yourself before checking the explanation above.

The SI unit of heat is
A
joule
B
erg
C
calorie
D
watt

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