One 'hectare cm' of water is equivalent to how many litres of water?

Correct option is D

· Correct answer: (d) 1,00,000 litres
· One hectare-centimeter (ha-cm) is equal to 1,00,000 liters of water. This unit is used for measuring water depth over an area of one hectare.
Other options:
· (a) 10,000 litres: Incorrect, as it underestimates the amount of water.
· (b) 20,000 litres: Incorrect, as the correct value is higher.
· (c) 50,000 litres: Incorrect, the actual value is 100,000 liters.