Question

please answer the right option​

Answer 1

Answer:

I sure correct answer is option (c)

Explanation:

circle move around the clock wise,

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Answer 2

ANSWER

• in themodynamic work done is given

w = ∆(pv)

• in cyclic process word done is positive for clockwise direction and negative for antoclockwise direction.
• graphically work done is given by area under the p v curve
• here it is circle = > area = π r^2
• see figure
• 1/4 π (p2-p1) (v2-v1)
• 1/4 × 3.14 × 2
• units 1cc = 10^-6 m^3
• so 2 × 10 ^-3cc = 10^-3 m^3
• 1 dyne/cm^2 = 0.1 pascal
• so 10 ^6 dyne/cm^2 = 10^5 pascal
• area = 314 J

so work done is 314 J

note :- work done in mechanics for cyclic process is 0 because displacent vector is 0.

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