JEE Main 2026 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 8 April 2026, Shift 2, Physics Q33

Question 33 of 75 in this shift, Physics question 8 of 25, Section A.

A 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 that at

B

is 20 mm

^2

. Both the points

A

and

B

are in same horizontal plane, the speed of the liquid at

A

is 10 cm/s. The difference in pressures at

A

and

B

points is ________ Pa.

(1)18
(2)144
(3)36
(4)72Official answer

Official answer

Option 4

NTA final key.

Chapter: Mechanical Properties of Fluids
Topic: Fluid Dynamics
Idea tested: Bernoulli's Equation

Same idea in other shifts

Asked 5× in all

8 Apr 2024, Shift 1 · Q36Correct Bernoulli's equation is (symbols have their usual meaning) :EasySingle correct
13 Apr 2023, Shift 1 · Q37The figure shows a liquid of given density flowing steadily in horizontal tube of varying cross - section. Cross sectional areas at A is…MediumSingle correctHas a figure
26 Jun 2022, Shift 1 · Q60An ideal fluid of density 800 $\mathrm{kgm^{-3}}$ , flows smoothly through a bent pipe (as shown in figure) that tapers in cross-sectional…MediumNumerical valueHas 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

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.