Learn

Saturday, 31 October

JEE Main · Physics · Mechanical Properties of Fluids

Equation of Continuity

JEE Main asked Equation of Continuity 2 times in 2 of the 108 shifts Lumi analysed, in 2023 and 2026. It belongs to Fluid Dynamics, in Mechanical Properties of Fluids (Physics). The longest wait between two years asking it was 3 years.

Updated 2026-10-24

Times asked
2
in 2 shifts
Years
2 of 8
First asked
2023
last in 2026
Pattern
Occasional
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2023 and 2026. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Physics questions.

00.10.20’170’200’210’220.07’230’240’250.11’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 1 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 in 8 shifts · 2026: 1 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20261 of 9
  • 20250 of 8
  • 20240 of 18
  • 20231 of 12
  • 20220 of 24
  • 20210 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Numerical value is the usual form. Skill tested: calculation.

  • Exit speed from continuity equation
  • Outlet speed from continuity equation

Difficulty

Easy 2Medium 0Hard 0

1 of the 2 questions had a numerical answer.

Every question

All 2 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 4 Apr 2026, Shift 2 · Q32A water spray gun is attached to a hose of cross sectional area 30 cm230\ \mathrm{cm^2}. The gun comprises of 10 perforations each of cross…EasySingle correct
  2. 10 Apr 2023, Shift 2 · Q52Figure below shows a liquid being pushed out of the tube by a piston having area of cross section 2.0 cm2^2. The area of cross section at…EasyNumerical valueHas a figure

Shifts: 10 Apr 2023, Shift 2, 4 Apr 2026, Shift 2.

Same topic

Other ideas in Fluid Dynamics

Fluid Dynamics has 10 ideas JEE Main has asked; 5 of them came up in more than one question.

Topic analysisChapter analysisStudy this chapterAll repeated ideas