MCQOPTIONS
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MCQOPTIONS
| 1. |
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 : |
| A. | \[\frac{V{{R}^{2}}}{n{{r}^{2}}}\] |
| B. | \[\frac{V{{R}^{2}}}{{{n}^{3}}{{r}^{2}}}\] |
| C. | \[\frac{{{V}^{2}}R}{nr}\] |
| D. | \[\frac{V{{R}^{2}}}{{{n}^{2}}{{r}^{2}}}\] |
| Answer» B. \[\frac{V{{R}^{2}}}{{{n}^{3}}{{r}^{2}}}\] | |