Among given curves, which one could represent isothermal process?
A
Curve 
B
Curve 
C
Curve 
D
None of the curves could represent isothermal process.
Text Solution
Verified by ExpertsThe correct answer is:
A
In isothermal process, temperature is constant. From ideal gas equation, 
At constant temperature, 
constant
So, with decreasing pressure, 
must increase to keep product 
constant. This inverse relation between 
and 
is depicted correctly by curve 
, where 
decreases with increasing 
.
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