Physics: Fluid Mechanics
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Physics: Fluid Mechanics
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16 Questions

1. The absorption of ink by blotting paper involves
2. A solid needle placed horizontally on the surface of the water floats due to
3. When a liquid is at its boiling point, no temperature change takes place due to heating. The energy supplied due to heating
4. A copper plate has a circular hole cut in it. If the plate is heated to a higher temperature, the diameter of the hole
5. Pa (Pascal) is the unit for
6. Dimension of modulus of elasticity is
7. If S is stress, Y is Young's modulus of material of a wire, the energy stored in the wire per unit volume is
8. A molecule is
9. Let a tin capillary tube be replaced with another tube of insufficient length then we find that water
10. M L2 T−2 is the dimensional formula for
11. A liquid flows through a capillary tube. Then the velocity of the liquid is
12. On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because
13. The oil in the wick of an oil lamp rises up due to
14. The swing of a spinning cricket ball in air can be explained on the basis of
15. A capillary tube is kept vertical in a beaker containing liquid. The height to which the liquid rises by capillary action is increased if
16. Metals are good conductors of electricity because