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The reversible expansion of an ideal gas...

The reversible expansion of an ideal gas under adiabatic and isothermal conditions is shown in the figure. Which of the following statements(s) is (are) correct?

A

`T_(1) = T_(2)`

B

`T_(3) gt T_(1)`

C

`W_("isothermal") gt W_("adiabatic")`

D

`Delta U_("isothermal") gt Delta U_("adiabatic")`

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
`V_(i) gt V_(a)` (from graph)
`T_(i) gt T_(a) ( :. T_(i) = T_(1) "&" T_(a) = T_(3) lt T_(1))`
`P_(i) gt P_(a)` (from graph), `W_(i) gt W_(a)` (from graph)
`Delta U_(i) gt Delta U_(a) ( :. Delta U_(i) = 0 "&" Delta U_(a) lt 0)`
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