1.

How much should the pressure be increased in order to decrease the volume of a gas 5% at a constant temperature ?

Answer»

<P>0.05
`5.26 %`
0.1
`4.26 %`

Solution :PV = a constant
New volume =0.95 V
`therefore P_(1)V=P_(2)xx0.95 V`
`P_(2)=(P_(1))/(0.95)=1.0526P_(1)`
`therefore` INCREASE in pressure `=1.0526P_(1)-P_(1)`
`=0.0526P_(1)`
`=5.26%" of "P_(1)`
HENCE, (B) is the correct answer.


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