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Standard IX

Geography

Punjab's Canal System

Water in a ca...

Question

Water in a canal 30 dm wide and 12 dm deep, is flowing with a velocity of 100 km per hour. How much area will it irrigate in 30 minutes if 8 cm of standing water is desired?

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Solution

We are given;

Velocity of the water

So, in 30 min, it will go the distance (say, l) 5,00,000 dm.

Width of the canal

Depth of the canal

In 30 min, quantity of water flown,

If 8 cm of standing water is desired, then the area that will be irrigated,

In 30 min, it will irrigate the area of .

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Water in a canal 30 dm wide and 12 dm deep, is flowing with a velocity of 100 km per hour. How much area will it irrigate in 30 minutes if 8 cm of standing water is desired?

We are given; Velocity of the water So, in 30 min, it will go the distance (say, l) 5,00,000 dm. Width of the canal Depth of the canal In 30 min, quantity of water flown, If 8 cm of standing water is desired, then the area that will be irrigated, In 30 min, it will irrigate the area of .

We are given;

Velocity of the water

So, in 30 min, it will go the distance (say, l) 5,00,000 dm.

Width of the canal

Depth of the canal

In 30 min, quantity of water flown,

If 8 cm of standing water is desired, then the area that will be irrigated,

In 30 min, it will irrigate the area of .