The symbol for osmotic potential is:

Define water potential and solute potential.

What would be the solute potential $(\Psi_s)$ of the cell sap in cell-$A$ and cell-$B$ respectively?

The term water potential was proposed by

If solution $A$ has $\Psi = -1000$ and $B$ has $\Psi = -2000$ are separated by a semipermeable membrane,which sentences are correct?
$(i)$ Solution $A$ has greater osmotic pressure
$(ii)$ Osmosis occurs toward $B$
$(iii)$ $A$ has more free water molecules
$(iv)$ At equilibrium,both will have the same water potential
$(v)$ Osmosis occurs toward $A$

Water potential can be calculated by