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Water of mass m gram is slowly heated to increase the temperature from T₁ to T_z The change in entropy of the water, given specific heat of water is 1 Jkg ⁻¹ ~K ⁻¹ , is :

Options

  1. Am ( T ₂ ~T ₁ )
  2. Bzero
  3. Cm ( T ₁ ~T ₂ )
  4. Dm ( T ₂- T ₁ )

Correct answer

A. m ( T ₂ ~T ₁ )

Step-by-step solution

aligned & d Q = msdT & dS = dQ T = msdT T & S = msdT T = ms T _ f T _ i & S = m T ₂ ~T ₁ aligned

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