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Standard XII
Physics
Thermodynamic Processes
Question
The adiabatic and isothermal elasticities
B
ϕ
and
B
θ
are related as :
B
ϕ
B
θ
=
γ
B
θ
B
ϕ
=
γ
B
ϕ
−
B
θ
=
γ
B
θ
−
B
ϕ
=
γ
A
B
θ
B
ϕ
=
γ
B
B
ϕ
−
B
θ
=
γ
C
B
ϕ
B
θ
=
γ
D
B
θ
−
B
ϕ
=
γ
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Solution
Verified by Toppr
Bulk modulus=
B
=
−
V
(
d
P
d
V
)
For adiabatic process,
d
P
d
V
=
−
γ
P
V
Thus,
B
ϕ
=
γ
P
For isothermal process,
d
P
d
V
=
−
P
V
Thus,
B
θ
=
P
So,
B
ϕ
B
θ
=
γ
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