Find the work done by gas going through a cyclic process shown in figure?

Answer

`-100piJ`

Explanation

Work done = area under `P-V` curve =Area of ellipse `=pi xx` Pressure radius `xx` volume radius
`=- pi ((30-10))/(2) xx 10^(3) xx ((30-10))/(2) xx 10^(-3) =- 100piJ`.