MCQ
A vessel $A$ volume $V$ and a vessel $B$ has volume $2V.$ Both contain some water which has a constant volume. The pressure in the space above water is $p_a$ for veesel $A$ and $p_b$ for vessel $B.$
- ✓$\mathrm{p}_{\mathrm{a}}=\mathrm{p}_{\mathrm{b}}$
- B$\mathrm{p}_{\mathrm{a}}=2\mathrm{p}_{\mathrm{b}}$
- C$\mathrm{p}_{\mathrm{b}}=2 \mathrm{p}_{\mathrm{a}}$
- D$\mathrm{p}_{\mathrm{b}}=4 \mathrm{p}_{\mathrm{a}}$
