Q. The unit of specific heat is __________.

विशिष्ट ऊष्मा की इकाई __________ है।

A
J
जे
B
J/kg
जे/किलो
C
J/kg°C
जे/किलो°सेल्सियस
D
J/kg·m
जे/किग्रा·मी

Explanation

Specific heat capacity is defined as the amount of heat energy required to raise the temperature of 1 kilogram of a substance by 1°C (or 1 K).
Thus, its unit is:

Joules per kilogram per degree Celsius=J/kg °C\text{Joules per kilogram per degree Celsius} = \text{J/kg °C}

Alternatively, J/kg·K is also accepted (since 1°C change = 1 K change in temperature).

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