Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which of the following statements about the thermal properties of matter is correct?
A
The triple point of water is the only condition where all three phases coexist in equilibrium.
B
Heat transfer by conduction is the most effective method in fluids.
C
Temperature is a measure of the average kinetic energy of particles in a substance.
D
Hydrogen gas can be used as a thermometric fluid in gas thermometers due to its low density.
Correct Answer
Option A
Detailed Explanation
The triple point of water is indeed the unique condition where solid, liquid, and gas phases coexist at equilibrium. This concept is critical in defining temperature scales and is a fundamental aspect of thermal properties.
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