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A cylindrical adiabatic container of tot...

A cylindrical adiabatic container of total volume `2V_(0)` divided into two equal parts by a conducting piston which is free to move as shown in figure. Each part containing identical gas at pressure `P_(0)`. Initially temperature of left and right part is `4T_(0) and T_(0)` respectively. An external force is applied on the piston of area 'A' to keep the piston at rest. The value of external force required when thermal equilibrium is reached is.

A

`8/5P_0A`

B

`2/5P_0A`

C

`5/6P_0A`

D

`6/5P_0A`

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The correct Answer is:
D
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