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A system is taken through a cyclic proce...


A system is taken through a cyclic process represented by a circle as shown in the figure. The heat absorbed by the system is

A

`pixx10^3J`

B

`(pi)/(2)J`

C

`4pixx10^2J`

D

`piJ`

Text Solution

Verified by Experts

The correct Answer is:
B
Area of cyclic process
`=pi((150-50)xx10^3)/(2)xx((40-20))/(2)xx10^-6=(pi)/(2)J`
Work done is `+ve` and hence heat is absorbed.
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CP SINGH-LAWS OF THERMODYNAMICS-EXERCISE
  1. An ideal gas goes from the state i to the state f as shown in the figu...

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  2. A thermodynamic system is taken through the cycle ABCD as shown in the...

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  3. A system is taken through a cyclic process represented by a circle as ...

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  4. A thermodynamic process is shown in Fig. The pressures and volumes cor...

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  5. When a system is taken from state f along path iaf, Q = 50 J and W = 2...

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  6. A thermodynamic system undergoes cyclic process ABCDA as shown in figu...

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  7. An ideal gas is taken through the cycle AtoBtoCtoA, as shown in the fi...

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  8. Consider the cyclic process ABCA, shown in figure, performed on a samp...

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  9. The following are the P-V diagrams for cyclic processes for a gas. In ...

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  10. In the cyclic process shown in the V-P diagram the magnitude of the wo...

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  11. In the previous question (i) work is done by the gas (ii) work is ...

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  12. Two different masses m and 3 m of an ideal gas are heated separately i...

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  13. A pressure P, absolute temperature T, graph was obtained whe a given m...

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  14. A volume V absolute temperature T diagram was obtained when a given ma...

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  15. The adjoining figure shows graphs of pressure and volume of a gas at t...

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  16. P-V graph was obtained from state 1 to state 2 when a given mass of a ...

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  17. A gas expands such that its initial and final temperature are equal . ...

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  18. An ideal gas is taken form the state A(P,V) to the state B((P)/(2),2V)...

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  19. One mole of an ideal gas goes from an initial state A to final state B...

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  20. One mole of an ideal gas in initial state A undergoes a cyclic process...

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