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The Kelvin scale is defined with its zero point at absolute zero (−273.15∘C), the theoretical minimum temperature where molecular activity ceases, as per the ideal gas law and thermodynamic principles (Section 10.4).
Ref: NCERT Class 11 Physics, Thermal Properties and Gravitation.
The Fahrenheit scale defines the freezing point of water as 32∘F and boiling point as 212∘F at standard pressure (Section 10.3). As per NCERT, applying relevant law/formula with correct units and sign convention leads to Fahrenheit. This satisfies dimensional consistency and physical conditions given, so option C is scientifically correct.
Ref: NCBI Bookshelf, Ideal Gas Law: P1V1/T1 = P2V2/T2.
The Fahrenheit scale uses 32∘F for freezing and 212∘F for boiling of water, with 180 intervals (212−32 = 180) between these points. As per NCERT, applying relevant law/formula with correct units and sign convention leads to Fahrenheit. This satisfies dimensional consistency and physical conditions given, so option C is scientifically correct.
Ref: NCERT Class 11 Physics, Thermal Properties and Gravitation.
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