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Physics - Fluid Mechanics Questions and Answer >>

1 2 3 4 5  Next >>  Page 1 of 8 pages (36 Objective Questions)

1. A siphon in use is demonstrated in the following figure. The density of the liquid flowing in siphon is 1.5 gm/cc. The pressure difference between the point P and S will be

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2. A small sphere of mass m is dropped from a great height. After it has fallen 100 m, it has attained its terminal velocity and continues to fall at that speed. The work done by air friction against the sphere during the first 100 m of fall is . [MP PMT 1990]

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3. Construction of submarines is based on. [Kerala PMT 2005]

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4. The height of a mercury barometer is 75 cm at sea level and 50 cm at the top of a hill. Ratio of density of mercury to that of air is 104. The height of the hill is

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5. Water enters through end A with speed v₁ and leaves through end B with speed v₂ of a cylindrical tube AB. The tube is always completely filled with water. In case I tube is horizontal and in case II it is vertical with end A upwards and in case III it is vertical with end B upwards. We have v₁ = v₂ for

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