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Adiabatic modulus of elasticity of a gas...

Adiabatic modulus of elasticity of a gas is `2.1xx10^(5)N//m^(2).` What will be isothermal modulus if elasticity `(C_(p)/C_(v)=1.4)`

A

`1.8xx10^5 N//m^2`

B

`1.5xx10^5 N//m^2`

C

`1.4xx10^5 N//m^2`

D

`1.2xx10^5 N//m^2`

Text Solution

Verified by Experts

The correct Answer is:
B
Adiabatic elasticity = `gamma xx" isothermal elasticity"`
`implies (E)_("iso")= ((E)_("adi"))/(gamma)`
`implies (E)_("iso")=(2.1xx10^5)/(1.4)=1.5xx10^5 N//m^2`
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