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The ratio of two specific heats of has C...

The ratio of two specific heats of has `C_(p)//C_(v)` for argon is 1.6 and for hydrogen is `1.4`. Adiabatic elasticity of argon at pressure P is E Adiabatic elasticity of hydrogen will also be equal to E at the pressure

A

1.4 P

B

`(8)/(7) P`

C

P

D

`(7)/(8) P`

Text Solution

Verified by Experts

The correct Answer is:
B
For argon, `gamma_(a) = (C_(P))/(C_(V)) = 1.6`
and for `H_(2), gamma_(H) = 1.4`
For argon adiabatic elasticity, `E = gamma_(a)P = 1.6 P`
and for `H_(2)`, adiabatic elasticity, `E = gamma_(H) = P' = 1.4 P'`
But it is given that 1.6 P = 1.4 P'
`:. P' = (1.6)/(1.4) P = (8)/(7) P`
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