The quantity equal for two systems in thermal equilibrium is:
AVolume one
BEntropy one
CTemperature
DPressure one
Answer & Solution
Correct answer: C. Temperature
1. The zeroth law implies some quantity must match.
2. That quantity is what a thermometer reads.
3. It is the temperature.
_Source: NCERT Class 11 Physics Part II, Chapter 12, Thermodynamics._
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