NEET Physics Temperature & Heat Assertion Reason Question
Assertion (A): Heating systems based on circulation of steam are more efficient in warming a building than those based on circulation of hot water. | Reason (R): The heat of vaporisation of water is significantly higher than its specific heat capacity.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
The heat of vaporisation of water (2256 × 10^3 J/kg) allows steam to carry more energy than hot water, making steam-based heating systems more efficient.
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