10. The force exerted by a jet on a curved plate is (a) less than that on flat plate (b) equal to that on a flat plate (c) more than that on a flat plate (d) sometimes more and sometimes less than that on a flat plate
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(c) more than that of flat plate.
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Answer:
c- more than that on a flat plate.
Explanation:
force exerted on flat plate is waV²/g.
force exerted on curved plate is waV²(1+cos∅)/g.
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