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Physics - Mechanical Properties of Fluids

Practise 135 AP EAMCET previous year questions on Mechanical Properties of Fluids, compiled from papers spanning 2001 to 2025. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty AP EAMCET tests.

Mechanical Properties of Fluids has been asked in 23 of the 24 years of AP EAMCET papers analysed (2001–2024), with 135 questions in all. 42% of them were easy, 41% moderate and 17% tough. Most of its questions came from 2022, with 20 questions that year. In the last three years (2022–2024) it had 38 questions across 28 papers, about 1.4 per paper.

The chapter's 7 topics are not weighted equally: Surface tension (46 questions, 34%), Viscosity (21 questions, 16%), and Pressure and thrust (20 questions, 15%) have been asked the most. Surface tension has also led over the last five years, with 21 questions. Surface tension has produced the most tough questions (9).

  1. 1If two soap bubbles each of radius 2 cm combine in vacuum under isothermal conditions, then the radius of the new bubble formed is27 May, 2025 (M)Surface tension
  2. 2A wire of length 20 cm is placed horizontally on the surface of water and is gently pulled up with a force of to keep the wire in equilibriu26 May, 2025 (M)Surface tension
  3. 3When the temperature increases, the viscosity of26 May, 2025 (E)Viscosity
  4. 4In a water tank, an air bubble rises from the bottom to the top surface of the water. If the depth of the water in the tank is 7.28 m and at24 May, 2025 (M)Pressure and thrust
  5. 5A mercury drop of radius 1 cm is divided into droplets of equal size. If surface tension of mercury is , then the change in suface energy in23 May, 2025 (M)Surface tension
  6. 6Water flowing through a pipe of area of cross-section hits a vertical wall horizontally with a velocity of . If the water does not rebound a23 May, 2025 (E)Pressure and thrust
  7. 7If two soap bubbles and of radii and respectively are kept in vaccum at constant temperature, then the ratio of masses of air inside the bub23 May, 2025 (E)Surface tension
  8. 8In a hydraulic lift, if the radius of the smaller piston is 5 cm, and the radius of the larger piston is 50 cm, then the weight that the lar22 May, 2025 (M)Pascal's Law
  9. 9An aeroplane of mass and total wing area of is travelling at a constant height. The pressure difference between the upper and lower surfaces22 May, 2025 (E)Pressure and thrust
  10. 10If water flows with a velocity of in a pipe of radius 2 cm, then the flow is (The coefficient of viscosity of water is and density of water 21 May, 2025 (M)Viscosity
  11. 11A liquid drop of diameter D splits into 3375 small identical drops. If S is the surface tension of the liquid, then the change in the surfac21 May, 2025 (E)Surface tension
  12. 12Water flows from a tap of diameter 1.5 cm with Coefficient of Viscosity of water is Pas. The flow is23 May, 2024 (M)Viscosity
  13. 13Water is flowing in streamline manner in a horizontal pipe. If the pressure at a point where cross-sectional area is and velocity is 2000 Pa22 May, 2024 (M)Hydrodynamics
  14. 14Two cylindrical vessels A and B of different areas of cross-section kept on same horizontal plane are filled with water to the same height. 22 May, 2024 (E)Pressure and thrust
  15. 15A large tank filled with water to a height ' ' is to be emptied through a small hole at the bottom. The ratio of the time taken for the leve21 May, 2024 (M)Efflux of liquid
  16. 16A spherical ball of radius and of density 104 falls freely under gravity through a distance ' ' before entering a tank of water. After' ente21 May, 2024 (E)Viscosity
  17. 17The radius of cross-section of the cylindrical tube of a spray pump is 2 cm . One end of the pump has 50 fine holes each of radius 0.4 mm . 20 May, 2024 (M)Hydrodynamics
  18. 18Two mercury drops, each with same radius , merged to form a bigger drop. is the surface tension of mercury, then the surface energy of bigge20 May, 2024 (E)Surface tension
  19. 19If and are the tensions at liquid-air, solid-air and solid-liquid interfaces respectively, and is the angle of contact at the solid-liquid i19 May, 2024 (E)Surface tension
  20. 20216 small identical liquid drops each of surface area A coalesce to form a bigger drop. If the surface tension of the liquid is T, the energ18 May, 2024 (M)Surface tension
  21. 21Two mercury drops of radii and merge to form a bigger drop. The surface energy released in the process is nearly (Surface tension mercury is19 May, 2023 (M)Surface tension
  22. 22A swimming pool has depth of 3 meters. The pressure at the bottom of the pool due to water alone is (Density of water is , Acceleration due 18 May, 2023 (M)Pressure and thrust
  23. 23A large open top water tank is completely filled with water. A small hole of diameter is made below the water level. The flow rate of water 17 May, 2023 (M)Hydrodynamics
  24. 24The phenomena of lowering freezing point of water by the application of pressure is known as17 May, 2023 (M)Pressure and thrust
  25. 25A steel ball of radius and density is dropped into a tank of water. The terminal velocity of the steel ball is (Density of water and viscosi17 May, 2023 (E)Viscosity
  26. 26A tank of oil has height of and density of . The gauge pressure at the bottom of the tank is (1 atm , Acceleration due to gravity )16 May, 2023 (M)Pressure and thrust
  27. 27A capillary tube of radius is dipped in water. The water rises to a height of in the tube. If the surface tension of water is , the contact 16 May, 2023 (E)Surface tension
  28. 28A person of height is standing upright. The additional external force required by blood vessel of length , diameter at feet to balance the p15 May, 2023 (M)Pressure and thrust
  29. 29The gauge pressure at a depth of in a sea is (Density of sea water is and )15 May, 2023 (E)Pressure and thrust
  30. 30The surface tension and vapour pressure of a liquid at are and respectively. The radius of the smallest spherical water droplet which can fr08 Jul, 2022 (M)Surface tension
  31. 31A body of volume floats on water with of its volume above the surface. The volume of the object above the surface when floating on a liquid 08 Jul, 2022 (M)Archmidies Principle
  32. 32The two principal thrusts in physics are08 Jul, 2022 (E)Pressure and thrust
  33. 33A hydraulic lift is shown in the figure. The radii of the movable pistons and are of and respectively. If a body of mass is placed on piston08 Jul, 2022 (E)Pascal's Law
  34. 34Consider a circular ring of radius lying on the surface of a liquid. If a vertical force of greater than the weight of the ring is required 08 Jul, 2022 (E)Surface tension
  35. 35A large tank open to atmosphere at top and filled with water, develops a small hole in the side at a point below the water level. If the rat07 Jul, 2022 (M)Efflux of liquid
  36. 36The movable cylindrical pistons and of a hydraulic lift are of radii and respectively. A body of mass on piston is supported by a body of ma07 Jul, 2022 (M)Pressure and thrust
  37. 37A circular film of a liquid has an area of . If the work done in making its radius two times the initial radius is . the surface tension of 07 Jul, 2022 (E)Surface tension
  38. 38A cylindrical tank having large diameter is filled with water to a height . A hole of cross-sectional area in the tank allows water to drain07 Jul, 2022 (E)Efflux of liquid
  39. 39A cylindrical metal box whose flat surface has an area of rests on liquid of thickness. If upon applying a horizontal force of magnitude , t06 Jul, 2022 (M)Viscosity
  40. 40Consider two liquids and in a U-shaped tube in static equilibrium as shown in the figure. If the density of the liquid is twice the density 06 Jul, 2022 (M)Pressure and thrust
  41. 41A hydraulic lift is shown in the figure. The radii of the movable pistons and are and respectively. If a block of mass is placed on then the06 Jul, 2022 (E)Pressure and thrust
  42. 42A block of wood of volume floats in water with half of its volume submerged. The same block floats in an oil with volume submerged. If the d06 Jul, 2022 (E)Archmidies Principle
  43. 43A hydraulic lift is shown in the figure. The movable pistons and are of radius and respectively. If a body. of mass is placed on piston , th05 Jul, 2022 (M)Pressure and thrust
  44. 44Energy needed in breaking a liquid drop of radius , into smaller drops each of radius , is [T- Surface tension of the liquid]05 Jul, 2022 (E)Surface tension
  45. 45An object of mass is released from rest in a liquid. If the object moves a distance of while sinking in time duration of , then the mass of 05 Jul, 2022 (E)Archmidies Principle
  46. 46Statement (A): When the temperature increases the viscosity of gases increases and the viscosity of liquids decreases. Statement (B): Water 04 Jul, 2022 (M)Viscosity
  47. 47In a hydraulic lift, compressed air exerts a force F on a small piston of radius 3 cm . Due to this pressure the second piston of radius 5 c04 Jul, 2022 (E)Pascal's Law
  48. 48In a U -shaped tube the radius of one limb is 2 mm and that of other limb is 4 mm . A liquid of surface tension 0 . 03 Nm - 1 , density 150004 Jul, 2022 (E)Surface tension
  49. 49A steady flow of a liquid of density is shown in figure. At point 1 , the area of crosssection is 2 A and the speed of flow of liquid is 2 m04 Jul, 2022 (E)Hydrodynamics
  50. 50The flow rate of water from a tap of diameter is 3 litres per min. If coefficient of viscosity of water is . the nature of flow is25 Aug, 2021 (M)Viscosity

Frequently Asked Questions

1.How many questions are available for Mechanical Properties of Fluids?

This chapter includes 135 questions compiled from AP EAMCET papers spanning 2001 to 2025.

2.Are these questions only from AP EAMCET, or from other exams too?

These are AP EAMCET questions specifically for the Mechanical Properties of Fluids chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Mechanical Properties of Fluids an important chapter for AP EAMCET Physics?

Mechanical Properties of Fluids has appeared in 24 of the 25 years of AP EAMCET papers covered here, with 135 questions across 88 papers - about 2 per paper it appears in.

4.What is the difficulty level of Mechanical Properties of Fluids questions in AP EAMCET?

Of the 135 questions analysed for this chapter, 42% are easy, 41% moderate and 17% tough. 2022 had the most, with 20 questions.

5.Which topics in Mechanical Properties of Fluids should I focus on?

These topics have carried the most weightage in Mechanical Properties of Fluids:

  • Surface tension - 46 questions (34%)
  • Viscosity - 21 questions (16%)
  • Pressure and thrust - 20 questions (15%)
  • Surface tension has produced the most tough questions (9).
6.Is Mechanical Properties of Fluids's weightage in AP EAMCET going up or down?

Across all 88 papers analysed, Mechanical Properties of Fluids has averaged about 1.5 questions per paper. In the last three years (2022–2024), that average has stayed about the same, at about 1.4 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.