The cylindrical tube of a spray pumps has a cross-section of 
one of which has 50 holes each of diameter 1 mm. If the liquid flow inside the tube is 1.2 m per minute, then the speed of ejection of the liquid through the holes is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Here, area of cross section of tube
Number of holes = 50
Diameter of each hole D = 1 mm 
Radius of hole, 
Area of cross section of each hole
Total area of cross section of 50 holes,
Speed of liquid inside the tube,
Let the velocity of ejection of the liquid through the hole 
As 
Or 
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