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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.
Two identical blocks of ice, A and B,float in water as shown in the figure given above. Which one among the following statements in this regard is correct?
2. Which one of the following is the correct relation between A and nm?
3. The density of cast iron having specific gravity 7.20 is
4. A balloon filled up with gas would only go up in air if it is filled up with
5. Which one of the following statements about the law of conservation of mass is correct?
6. 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
7. 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 ?
8. Consider the following statements: If there were no capillarity,
1. it would be impossible to use a kerosene lamp.
2. one would not be able to use a straw to consume a soft drink.
3. the blotting paper would fail to function.
4. there would have been no plants on the earth. Which of the statements given above are correct?
9. The S.I. unit of acceleration is
10. 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?
11. 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)
12. The latest discovered state of matter is
13. 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
14. Which one among the following does not wet the walls of the glass vessel in which it is kept ?
15. 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
16. The mass of water vapour per unit volume of air is known
17. Why doesn’t Archimedes’ principle hold for a vessel under a free fall ?
18. When oil floats on water, the surface tension of water
19. 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?
20. 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?
21. When a ship floats on water
22. 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?
23. 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?
24. Density of water is
25. Kinetic viscosity of a given liquid is the ratio of the