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A certain volume of dry air at 20^(@)C i...

A certain volume of dry air at `20^(@)C` is expanded to there times its volume (i) slowly, (ii) suddenly. Calculate the final pressure and temperature in eachh case. Atmospheric pressure `=10^(5)Nm^(-2), gamma` of air `=1.4`

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The correct Answer is:
`3.3xx10^4 Nm^(-2) , -84.2^@C , 2.15xx10^4 Nm^(-2)`
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PHYSICS GALAXY - ASHISH ARORA-THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES -Unsolved Numerical Problems
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  16. In a certain polytropic process the volume of argon was increased alph...

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