At two points on a horizontal tube of va...

At two points on a horizontal tube of varying cross section carrying water, the radii are 1 cm and `0.5 cm.` The pressure difference between these points is 6 cm of water. How much liquid flows through the tube per second ?

`100 c.c.` per s

`98 c.c.` per s

`88 c.c.` per s

`70 c.c. ` per s

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