Questions

# The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of radius r. If the speed of the liquid in the tube is V, the speed of the ejection of the liquid through the holes is:

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a
V2Rnr
b
VR2n2r2
c
VR2nr2
d
VR2n3r2
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detailed solution

Correct option is C

Av=constantπR2V=nπr2v1⇒v1=VR2nr2

Similar Questions

Consider the following statements
(A) The velocity increases, when water flowing in broader pipe enter a narrow pipe.
(B)  According to equation of continuity, product of area and velocity is constant.
Select the correct option.
(a) (A) is false but (B) is true.
(b) Both (A) and (B) are true.
(c ) (A) is true but (B) is false.
(d) Both (A) and (B) are false.

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