Q. The SI unit of heat is __________.

ऊष्मा की SI इकाई __________ है।

A
Calorie
कैलोरी
B
Joule
जौल
C
Kelvin
केल्विन
D
Watt
वाट

Explanation

Though calorie is a commonly used unit of heat, in the International System of Units (SI), the unit of heat (energy) is the joule (J).

  • 1 calorie = 4.18 joules
    So, Joule is the correct SI unit.

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