JEE Main Physics · Mechanical Properties of Fluids

Fluid Dynamics in JEE Main

Name: Fluid Dynamics: JEE Main previous year questions
Creator: Lumi

Fluid Dynamics (Physics, Mechanical Properties of Fluids) came 9 times in 9 of the 42 JEE Main shifts Lumi analysed, across 7 distinct ideas. 6 of them came in 2024–26; it was last asked in 2026.

Questions: 9; in 9 shifts
Ideas asked: 7; 1 asked more than once
Numerical answer: 1; 11% of its questions
Pattern: Asked most years; last asked 2026

Questions each year

In the shifts Lumi analysed for each year.

Difficulty and format

Easy 5Medium 4Hard 0

Format

Single correct7 Q
Numerical value1 Q
Diagram based1 Q

Ideas inside the topic

7 ideas

Bernoulli's Equation3 Q
Equation of Continuity1 Q
Dynamic Lift and Magnus Effect1 Q
Efflux Jet Horizontal Range1 Q
Efflux from a Pressurized Tank1 Q
Reynolds Number and Flow Regime1 Q
Surface Profile of a Rotating Fluid1 Q

Where it sits

Part of Mechanical Properties of Fluids, which had 39 questions in all. Fluid Dynamics accounts for 23% of them. In Lumi's JEE taxonomy it belongs to Properties of Matter.

Every question

All 9 Fluid Dynamics questions

Newest first, each with its options and official answer.

4 Apr 2026, Shift 2 · Q32A water spray gun is attached to a hose of cross sectional area $30\ \mathrm{cm^2}$ . The gun comprises of 10 perforations each of cross…EasySingle correct
6 Apr 2026, Shift 2 · Q34A cylindrical vessel of 40 cm radius is completely filled with water and its capacity is 528 dm $^3$ (dm : decimeter) The vessel is placed…MediumSingle correct
8 Apr 2026, Shift 2 · Q33A liquid of density 600 kg/m $^3$ flowing steadily in a tube of varying cross-section. The cross-section at a point $A$ is 1.0 cm $^2$ and…EasySingle correct
3 Apr 2025, Shift 1 · Q32Consider a completely full cylindrical water tank of height 1.6 m and of cross-sectional area $0.5\ \mathrm{m^2}$ . It has a small hole in…MediumSingle correct
8 Apr 2024, Shift 1 · Q36Correct Bernoulli's equation is (symbols have their usual meaning) :EasySingle correct
29 Jan 2024, Shift 1 · Q53In a test experiment on a model aeroplane in wind tunnel, the flow speeds on the upper and lower surfaces of the wings are…EasyNumerical value
16 Mar 2021, Shift 2 · Q8What will be the nature of flow of water from a circular tap, when its flow rate increased from 0.18 L/min to 0.48 L/min ? The radius of…MediumSingle correct
2 Sep 2020, Shift 1 · Q8A cylindrical vessel containing a liquid is rotated about its axis so that the liquid rises at its sides as shown in the figure. The…MediumDiagram basedHas a figure
6 Sep 2020, Shift 2 · Q7A fluid is flowing through a horizontal pipe of varying cross-section, with speed $v\,\mathrm{ms^{-1}}$ at a point where the pressure is P…EasySingle correct