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Byju's Answer
Standard XII
Physics
Heat Engines
1 mole of mon...
Question
1
m
o
l
e
of monatomic ideal gas undergoes a cyclic process shown in the
P
V
diagram. The process
B
C
is isothermal and the temperature at
B
is
800
K
. Find the work done by the gas during the process
A
B
C
.
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Solution
B
⟶
C
Workdone,
W
1
=
n
R
T
ln
V
2
V
1
=
1.
R
.800
.
ln
2
V
0
V
0
=
800
×
8.32
ln
2
=
6656
ln
2
C
⟶
A
Workdone,
W
2
=
P
d
v
=
P
0
(
V
0
−
2
V
0
)
=
−
P
0
V
0
A
⟶
B
Isochoric process,
∴
W
3
=
0
∴
Total work done,
W
=
W
1
+
W
2
+
W
3
=
6656
ln
2
−
P
0
V
0
.
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0
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[
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