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Continuity and Bernoulli's Theorem for JEE: 21 solved questions

Real JEE paper questions on continuity and bernoulli's theorem, part of mechanical properties of fluids. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2014 to 2026. No sign-in needed to read them.

What this topic asks

• Bernoulli's equation — 10 questions
• Equation of continuity — 5 questions
• Dynamic lift — 3 questions
• Venturimeter and flow measurement — 3 questions

All 21 questions with solutions

• A liquid of density 600 kg m⁻³ is flowing steadily in a tube of varying cross-section. The cross-section at a… JEE Main 8th April 2nd Shift 2026
• Water flows in a horizontal pipe whose one end is closed with a valve. The reading of the pressure gauge atta… JEE Main 23rd Jan 2nd Shift 2025
• The correct form of Bernoulli's equation is (symbols have their usual meaning) JEE Main 8th April 1st Shift 2024
• The figure shows a liquid flowing steadily in a horizontal tube of varying cross-section: the tube is wide at… JEE Main 13th April 1st Shift 2023
• A fluid is flowing through a horizontal pipe of varying cross-section, with speed v m s⁻¹ at a point where th… JEE Main 6th Sept 2nd Shift 2020
• Water flows in a horizontal tube which narrows from A to B, as shown in the figure, A and B lying on the axis… JEE Main 9th Jan 1st Shift 2020
• The reading of a pressure metre attached to a closed pipe is 4.5×10⁴ N m⁻². On opening the valve, water start… JEE Main 27th Jan 2nd Shift 2024
• Glycerin of density 1.25×10³ kg m⁻³ is flowing through the conical section of a pipe. The areas of cross-sect… JEE Main 12th April 1st Shift 2023
• An ideal fluid of density 800 kg m⁻³ flows smoothly through a bent pipe that tapers in cross-sectional area f… JEE Main 26th June 1st Shift 2022
• A liquid of density 750 kg m⁻³ flows smoothly through a horizontal pipe that tapers in cross-sectional area f… JEE Main 28th June 2nd Shift 2022
• A fully loaded Boeing aircraft has a mass of 5.4×10⁵ kg. Its total wing area is 500 m². It is in level flight… JEE Main 29th Jan 2nd Shift 2023
• A plane is in level flight at constant speed and each of its two wings has an area of 40 m². If the speed of… JEE Main 1st Feb 1st Shift 2024
• In a test experiment on a model aeroplane in a wind tunnel, the flow speeds on the upper and lower surfaces o… JEE Main 29th Jan 1st Shift 2024
• A water spray gun is attached to a hose of cross-sectional area 30 cm². The gun comprises 10 perforations, ea… JEE Main 4th April 1st Shift 2026
• A tube of length L is shown in the figure: it is horizontal and tapers steadily from a wide inlet at the poin… JEE Main 22nd Jan 2nd Shift 2025
• An ideal fluid flows (laminar flow) through a pipe of non-uniform diameter. The maximum and minimum diameters… JEE Main 7th Jan 2nd Shift 2020
• The figure shows a liquid being pushed out of a horizontal tube by a piston having an area of cross-section 2… JEE Main 10th April 2nd Shift 2023
• The surface of water in a water tank of cross-sectional area 750 cm² on the top of a house is h m above the t… JEE Main 1st Feb 2nd Shift 2023
• Water flows through a horizontal tube as shown in the figure: the tube is wide at A, narrows to a throat at B… JEE Main 21st Jan 1st Shift 2026
• Given below are two statements. Statement I : When the speed of a liquid is zero everywhere, the pressure dif… JEE Main 4th April 1st Shift 2024
• In the diagram shown, the difference in the levels of the liquid in the two tubes of the manometer is 5 cm. T… JEE Main Online 2014