What is the SI unit of heat energy?

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General Science

What is the SI unit of heat energy?

This question was previously asked in

SSC CGL 2017 (Tier 1) Previous Year Paper (16-Aug-2017) (Shift 1)

Joule

Newton

Calorie

Kelvin

The correct answer is

Joule

Heat is a form of energy, and the SI unit of energy - including heat energy - is the Joule (J), defined as the work done when a force of one newton moves an object through one metre.

Newton measures force, calorie is a non-SI unit of energy (1 cal ≈ 4.184 J), and kelvin is the SI unit of temperature, not energy.

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