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Physics · THERMODYNAMICS

हिन्दी

In a cyclic process connecting two isotherms and two adiabatics, a monoatomic gas absorbs \( 800\text{ J} \) of heat at \( 500\text{ K} \) and rejects heat to a sink at \( 350\text{ K} \). If it operates reversibly, the total network done in one complete cycle is:

  1. A
    \( 320\text{ J} \)
  2. B
    \( 400\text{ J} \)
  3. C
    \( 560\text{ J} \)
  4. D
    \( 240\text{ J} \)
View Answer & Solution

Correct answer · Option D

\( 240\text{ J} \)

Explanation

The network done in a Carnot cycle is \( W = Q_1 (1 - \frac{T_2}{T_1}) = 800 (1 - \frac{350}{500}) = 800 (1 - 0.70) = 800 \times 0.30 = 240\text{ J} \).
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