Surface Tension is an important topic in the Physics section in VITEEE exam. Practising this topic will increase your score overall and make your conceptual grip on VITEEE exam stronger.
This article gives you a full set of VITEEE PYQs for Surface Tension with explanations for effective preparation. Practice of VITEEE Physics PYQs including Surface Tension questions regularly will improve accuracy, speed, and confidence in the VITEEE 2026 exam.
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VITEEE PYQs for Surface Tension with Solutions
1.
Kerosene oil rises up in a wick of a lantern because of- diffusion of the oil through the wick
- capillary action
- buoyant force of air
- the gravitational pull of the wick
2.
A soap bubble of radius $r$ is blown up to form a bubble of radius $2 r$ under isothermal conditions. If $T$ is the surface tension of soap solution, the energy spent in the blowing- $3 \pi Tr^2 $
- $6 \pi Tr^2 $
- $12 \pi Tr^2 $
- $24 \pi Tr^2 $
3.
A large number of liquid drops each of radius r coalesce to from a single drop of radius R. The energy released in the process is converted into kinetic energy of the big drop so formed. The speed of the big drop is (given, surface tension of liquid T, density $\rho$)- $\sqrt{\frac{T}{\rho}\left(\frac{1}{r}-\frac{1}{R}\right)}$
- $\sqrt{\frac{2T}{\rho}\left(\frac{1}{r}-\frac{1}{R}\right)}$
- $\sqrt{\frac{T}{4\rho}\left(\frac{1}{r}-\frac{1}{R}\right)}$
- $\sqrt{\frac{6T}{\rho}\left(\frac{1}{r}-\frac{1}{R}\right)}$
4.
The potential of a large liquid drop when eight liquid drops are combined is 20 V. Then the potential of each single drop was- 10V
- 7.5V
- 5V
- 2.5V
5.
Two mercury drops (each of radius r) merge to form a bigger drop. The surface energy of the bigger drop, if T is the surface tension, is- $ 2^{5/3} \pi r^{2} T$
- $4 \pi r^{2} T$
- $ 2 \pi r^{2} T$
- $ 2^{8/3} \pi r^{2} T$
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