JEE Main Physics · Mechanical Properties of Fluids
Splitting and Coalescence
Splitting and Coalescence (Mechanical Properties of Fluids) was asked 4 times in 4 JEE Main shifts, 2024–2026, out of the 42 shifts Lumi analysed. 1 of the 4 had a numerical answer.
- Times asked
- 4
- in 4 shifts
- Years
- 2024–2026
- Usual format
- Single correct
- Calculation
- Pattern
- New since 2024
- repeats across shifts
How it is asked
- Surface energy change on drop splitting
- Surface energy released on coalescence
Difficulty
Easy 4Medium 0Hard 0
Where it sits
Chapter: Mechanical Properties of Fluids. Topic: Surface Tension, 13 questions over 7 ideas.
Other repeat ideas in this topic
Every time it came
All 4 questions
Newest first, each with its options and official answer.
- 2 Apr 2026, Shift 1 · Q45A liquid drop of diameter mm breaks into droplets. The change in surface energy is J. The value of…EasySingle correct
- 5 Apr 2026, Shift 2 · Q33Eight mercury drops, each of radius , coalesce to form a bigger drop. The surface energy released in this process is __________. (S is…EasySingle correct
- 2 Apr 2025, Shift 2 · Q31Two water drops each of radius coalesce to form a bigger drop. If is the surface tension, the surface energy released in this…EasySingle correct
- 30 Jan 2024, Shift 2 · Q53A big drop is formed by coalescing 1000 small identical drops of water. If be the total surface energy of 1000 small drops of water…EasyNumerical value