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Physics · THERMODYNAMICS

हिन्दी

Given 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:

  1. A
    Both Statement I and Statement II are correct.
  2. B
    Both Statement I and Statement II are incorrect.
  3. C
    Statement I is correct but Statement II is incorrect.
  4. D
    Statement I is incorrect but Statement II is correct.
View Answer & Solution

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.
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