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The P -V diagram here shows six curv...

The P -V diagram here shows six curved paths ( connected by vertical paths ) that can be followed by a gas , which two of the curved paths should be part of a closed cycle ( those curved paths plus connecting vertical paths ) if the net work done by the gas during the cycle is to be at its positive value ?

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c and e (maximum area enclosed by a clockwise cycle)
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Knowledge Check

  • The P - V diagram shows seven curved paths (connected by vertical paths) that can be followed by a gas. Which two of them should be parts of a closed cycle if the net work done by the gas is to be at its maximum value

    A
    ac
    B
    cg
    C
    af
    D
    cd

  • At a curved path of a road, the road bed is raised the curved path, the slop of the road bed is given by the equation .

    A
    ` tan theta =(v^(2))/(rg)`
    B
    `tan theta (v^(2)r)/(g)`
    C
    `tan theta =(rg)/(v^(2))`
    D
    `tan theta =(g)/(vr^(2))`

  • A body moves with a constant speed along a curved path its acceleration :

    A
    is zero
    B
    is parallel to its velocity
    C
    can make any arbitrary angle with its velocity
    D
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