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NDA GK Previous Papers Chapterwise MCQs - Properties of Matter
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NDA GK Previous Papers Chapterwise MCQs - Properties of Matter
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25 Questions

1. The mass of water vapour per unit volume of air is known
2. Which one of the following is the correct relation between A and nm?
3. Density of water is
4. A block of ice is floating in a beaker containing liquid of specific gravity greater than one. When ice melts completely what happens to the level of liquid in the beaker?
5. A solid cube of iron (specific gravity = 8) is melted into sheets. The side of the cube is 1m. The sheets are used to make a hollow cube. This cube floats such that its whole volume is inside water. What should be the minimum length of side of such a cube?
6. Kinetic viscosity of a given liquid is the ratio of the
7. Flow velocities in an incompressible fluid can be measured with which one of the following?
8. The dimension of 'impulse' is the same as that of
9. The specific gravity of a substance is measured by a hydrometer at the sea level. If the measurement is done at the top of a mountain, what would be the specific gravity ?
10. Specific gravity of silver is 11 and specific gravity of iron is 8. Which one among the following is the approximate relative density of silver with respect to iron?
11.

Q18. A vessel contains oil of density 0.8 gm/cm3 over mercury of density 13.6 gm/cm3. A homogeneous sphere floats with half of its volume immersed in mercury and the other half in oil. The density of the material of the sphere in CGS unit is

12. A block of weight W floats in a lake. If the apparent weight of the floating block is W’, then which one of the following is correct ?
13. A vessel contains oil of density 0.8 gm/cm3 over mercury of density 13.6 gm/cm3. A homogeneous sphere floats with half of its volume immersed in mercury and the other half in oil. The density of the material of the sphere in CGS unit is
14. A liquid rises to a certain length in a capillary tube. The tube is inclined to an angle of 45°. The length of the liquid column will
15. When a ship floats on water
16. The S.I. unit of acceleration is
17. Consider two hollow glass spheres, one containing water and the other containing mercury. Each liquid fills about one-tenth of the volume of the sphere. In zero gravity environment
18. Water flows out of the hole of a bucket and follows a parabolic path. If the bucket falls freely under gravity, the water flow (ignoring air resistance)
19. A container is first filled with water and then the entire water is replaced by mercury. Mercury has a density of 13.6 × 103 kg/m3. If X is the weight of the water and Y is the weight of the mercury, then
20. The latest discovered state of matter is
21. Consider the following statements : The fraction of a ball floating inside the liquid depends upon
1. density of the liquid.
2. mass of the ball.
3. density of the ball. Which of the statements given above are correct?
22. Kerosene oil rises in a wick of lantern because of
23. Let us assume that air density(0.0013g/ cm3) remains constant as we go up in the atmosphere. In such a hypothetical case, what is the approximate height of atmosphere to have 1 atmospheric pressure?
24. A syringe is a hollow glass tube with lower end tapered to a nozzle. Due to which one of the following liquid can be drawn into a syringe?
25. Consider the following statements: An external pressure p0 is applied to the surface of a liquid in a container. Then,
1. the pressure on all side-wells increases by p0
2. the pressure on the bottom wall increases by p0
3. the pressure at all points inside the liquid increases by p0. Which of the statements given above is/are correct?