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Class XI Physics Mechanics of Fluids 4
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Question 1
A liquid is kept in a cylindrical vessel which is rotated about its axis. The liquid rises at the sides. If the radius of the vessel is 0.05 m and the speed of rotation is 2 rev s–1, the difference in height of the liquid at the centre of vessel and its sides is–
Question 2
If two soap bubbles of different radii are connected by a tube,
Question 3
A sphere of solid material of specific gravity 8 has a concentric spherical cavity and just sinks in water. Then the ratio of the radius of the cavity to the outer radius of the sphere must be–
Question 4
The surface tension of a liquid –
Question 5
Figure shows the vertical cross-section of a vessel filled with liquid of density ρ. The normal thrust per unit area on the walls of the vessel at point P, as shown will be –
Question 6
A cubical block is floating in a liquid with half of its volume immersed in the liquid. When the whole system accelerates upwards with a net acceleration of g/3. The fraction of volume immersed in the liquid will be -
Question 7
Water rises in a vertical capillary tube upto a length of 10 cm. If the tube is inclined at 45 °, the length of water risen in the tube will be–
Question 8
A 20 cm long capillary tube is dipped in water. The water rises up to 8 cm. If the entire arrangement is put in a freely falling elevator, the length of water column in the capillary tube will be–
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Oct 24NEET & AIIMS