JEE Physics
Surface Tension & Capillarity: JEE Questions & Solutions
24 previous-year JEE Physics questions on Surface Tension & Capillarity, each with a worked step-by-step solution.
Intermediate
Previous-year questions
- 01Surface tension of two liquids (having same densities), T₁ and T₂ are measured using capillary rise method utilizing two tubes with inner…MCQEasyJEE 2026
- 02Given below are two statements: Statement I: Pressure of a fluid is exerted only on a solid surface in contact as the fluid-pressure does…MCQEasyJEE 2026
- 03When a part of a straight capillary tube is placed vertically in a liquid, the liquid rises upto certain height h. If the inner radius of…MCQEasyJEE 2026
- 04A soap bubble of surface tension 0.04 N/m is blown to a diameter of 7 cm. If (15000 - x) μ J of work is done in blowing it further to make…NVAEasyJEE 2026
- 05Two soap bubbles of radius 2 cm and 4 cm, respectively, are in contact with each other. The radius of curvature of the common surface, in…NVAMediumJEE 2025
- 06Given below are two statements: Statement-I: The hot water flows faster than cold water. Statement-II: Soap water has higher surface…MCQEasyJEE 2025
- 07An air bubble of radius 1.0 mm is observed at a depth of 20 cm below the free surface of a liquid having surface tension 0.095 J/m² and…NVAEasyJEE 2025
- 08An air bubble of radius 0.1 cm lies at a depth of 20 cm below the free surface of a liquid of density 1000 kg/m³. If the pressure inside…MCQMediumJEE 2025
- 09The amount of work done to break a big water drop of radius R into 27 small drops of equal radius is 10 J. The work done required to break…MCQMediumJEE 2025
- 10Two water drops each of radius r coalesce to form a bigger drop. If T is the surface tension, the surface energy released in this process…MCQMediumJEE 2025
- 11The excess pressure inside a soap bubble A in air is half the excess pressure inside another soap bubble B in air. If the volume of the…NVAEasyJEE 2025
- 12Two liquids A and B have θ_A and θ_B as contact angles in a capillary tube. If K=cos θ_A / cos θ_B, then identify the correct statement:MCQEasyJEE 2025
- 13A capillary tube of radius 0.1 mm is partly dipped in water (surface tension 70 dyn/cm and glass water contact angle ≈ 0^°) with 30^°…MCQMediumJEE 2025
- 14A small liquid drop of radius R is divided into 27 identical liquid drops. If the surface tension is T, then the work done in the process…MCQEasyJEE 2024
- 15A big drop is formed by coalescing 1000 small identical drops of water. If E₁ is the total surface energy of 1000 small drops and E₂ is the…MCQEasyJEE 2024
- 16Given below are two statements: Statement I: If a capillary tube is immersed first in cold water and then in hot water, the height of…MCQEasyJEE 2024
- 17The excess pressure inside a soap bubble is three times the excess pressure inside a second soap bubble. The ratio between the volume of…MCQEasyJEE 2024
- 18A spherical drop of liquid splits into 1000 identical spherical drops. If uᵢ is the surface energy of the original drop and u_f is the…NVAEasyJEE 2023
- 19The surface tension of a soap bubble is 2 × 10⁻² N/m. Work done to increase the radius of the bubble from 3.5 cm to 7 cm will be:MCQEasyJEE 2023
- 20The height of the liquid column raised in a capillary tube of certain radius when dipped in liquid A vertically is 5 cm. If the tube is…MCQEasyJEE 2023
- 21If 1000 droplets of water of surface tension 0.07 N/m, having same radius 1 mm each, combine to form a single drop. In the process, the…MCQMediumJEE 2023
- 22A mercury drop of radius 10⁻³ m is broken into 125 equal size droplets. Surface tension of mercury is 0.45 N m⁻¹. The gain in surface…MCQMediumJEE 2023
- 23The surface tension of soap solution is 3.5 × 10⁻² N m⁻¹. The amount of work done required to increase the radius of soap bubble from 10 cm…NVAEasyJEE 2023
- 24There is an air bubble of radius 1.0 mm in a liquid of surface tension 0.075 N m⁻¹ and density 1000 kg m⁻³ at a depth of 10 cm below the…NVAEasyJEE 2023
Frequently asked questions
Our bank has 24 previous-year JEE Physics questions tagged to Surface Tension & Capillarity, drawn from JEE papers between 2023 and 2026, including 4 from 2026 alone. Each comes with a full step-by-step solution.
Surface Tension & Capillarity is rated Intermediate overall for JEE Physics. The PYQs on this page break down as 17 easy, 7 medium.
Of the 24 previous-year questions on Surface Tension & Capillarity, 17 are multiple-choice (MCQ) and 7 are numerical-value (NVA) questions.
Based on recent paper analysis, Surface Tension & Capillarity is worth about 2 marks in JEE Main. It sits in Properties of Solids & Liquids, a Class 11 Physics chapter.
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