AFCAT Physics
Heat Thermodynamics — Quiz
20 Questions · No Negative Marking
Question 1
The SI unit of temperature is:
ACelsius (°C)
BFahrenheit (°F)
CKelvin (K)
DRankine (R)
Question 2
The Zeroth Law of Thermodynamics states that:
AEnergy cannot be created or destroyed
BEntropy of the universe always increases
CTwo systems in thermal equilibrium with a third
DAt absolute zero, entropy is zero
Question 3
A perfect black body is one that:
AAppears black and absorbs all radiation
BAbsorbs all incident radiation and emits
CReflects all radiation that falls on it
DEmits only infrared radiation
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