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The indicator diagram for two processes ...

The indicator diagram for two processes 1(isothermal) and 2(adiabatic) carrying on an ideal gas is shown in Fig. If `m_(1)` and `m_(2)` be the slopes `(dP//dV)` for process 1 and process 2, respectively, then

A

`m_(1) = m_(2)`

B

`m_(1) gt m_(2)`

C

`m_(1) lt m_(2)`

D

`m_(2) C_(V) = m_(1) C_(P)`

Text Solution

Verified by Experts

The correct Answer is:
C, D
During expansion, an isotherm lies above an adiabat
Also `(` Slope of an adiabat `)` ` gamma(` Slope of an isotherm `)`
`implies m_(2)=(C_(p))/(C_(v))(m_(1))`
`implies m _(2) C_(v)= m _(1) C _(p)`
Since `gamma -1`,
` implies m _(2) gt m_(1)`
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