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

Options

(a) VR²/n³r²
(b) V²R/nr
(c) VR²/n²r²
(d) VR²/nr²

Correct Answer:

VR²/nr²

Explanation:

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