Physics · THERMODYNAMICS
हिन्दीGiven below are two statements: Statement I: The molar specific heat capacity of all solid elements at room temperature is strictly \( 3R \), with no known exceptions. Statement II: The specific heat capacity of water is completely constant and remains exactly equal to \( 1\text{ cal g}^{-1}{^\circ\text{C}}^{-1} \) over the entire range from \( 0^\circ\text{C} \) to \( 100^\circ\text{C} \). In the light of the above statements, choose the most appropriate answer from the options given below:
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Correct answer · Option B
Both Statement I and Statement II are incorrect.
Explanation
Carbon is an exception to the \( 3R \) rule at room temperature, and water's specific heat capacity varies slightly with temperature between 0°C and 100°C.