Tardigrade
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Tardigrade
Question
Physics
On P-V coordinates, the slope of an isothermal curve of a gas at a pressure P=1 MPa and volume V=0.0025 m 3 is equal to -400 MPa / m 3. If Cp / Cv=1.4, the slope of the adiabatic curve passing through this point is :
Q. On
P
−
V
coordinates, the slope of an isothermal curve of a gas at a pressure
P
=
1
MP
a
and volume
V
=
0.0025
m
3
is equal to
−
400
MP
a
/
m
3
. If
C
p
/
C
v
=
1.4
, the slope of the adiabatic curve passing through this point is :
393
162
Thermodynamics
Report Error
A
−
56
MP
a
/
m
3
,
B
−
400
MP
a
/
m
3
C
−
560
MP
a
/
m
3
D
None of these
Solution:
Slope of adiabatic curve
=
γ
×
slope of isothermal curve
=
1.4
×
(
−
400
)
=
−
560
MP
a
/
m
3