A) Watts
B) Joule
C) Pascal
D) Litre
E) Cubic centimeter
Correct Answer: C
Solution :
Water potential is the difference in the free energy or chemical potential per unit molal volume of water in a system and that of pure water at the same temperature and pressure. It is represented by Greek letter\[\psi \](Psi) or\[{{\psi }_{w}}\]. The Value of \[{{\psi }_{w}}\]is measured in bars, pascals or atmospheres ie, units for power. Joule is the unit for energy or work. Litre and cubic centimetre are used for volume measurements.
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