1.

Which of the following relation is correct for an ideal regarding its pressure (p) and translational kinetic energy per unit volume (E ) ?

Answer»

`p=(3)/(2)E`
`p=(2)/(3)E`
`p=(1)/(2)E`
`p=2E`

Solution :`(B)E=(E')/(V)=(1)/(2)(mNU_(ms)^(2))/(V)=(3)/(2)xx(1)/(3)(mNU_(ms)^(2))/(V)=(3)/(2)p`
`P=(2)/(3)E`


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