Q JEE MAIN 2026

A cubical block of density $\rho_b=600 \mathrm{~kg} / \mathrm{m}^3$ floats in a liquid of density $\rho_{\mathrm{e}}=900 \mathrm{~kg} / \mathrm{m}^3$. If...

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Q JEE MAIN 2026

Water flows through a horizontal tube as shown in the figure. The difference in height between the water columns in...

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Q JEE MAIN 2020

A cylindrical vessel containing a liquid is rotated about its axis so that the liquid rises at its sides as...

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Q JEE MAIN 2019

The top of a water tank is open to air and its water level is maintained. It is giving out...

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Q JEE MAIN 2019

A solid sphere, of radius $R$ acquires a terminal velocity $v_1$ when falling (due to gravity) through a viscous fluid...

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Q JEE MAIN 2020

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Q JEE MAIN 2019

A liquid of density  is coming out of a hose pipe of radius a with horizontal speed v and...

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Q JEE MAIN 2020

A hollow spherical shell at outer radius $R$ floats just submerged under the water surface. The inner radius of the...

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Q JEE MAIN 2020

A leak proof cylinder of length 1 m, made of a metal which has very low coefficient of expansion is...

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Q JEE MAIN 2019

A submarine experiences a pressure of $5.05 \times 10^6$ Pa at a depth of $\mathrm{d}_1$ in a sea. When it...

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Q JEE MAIN 2020

Consider a solid sphere of radius $R$ and mass density $\rho(r)=\rho_0\left(1-\frac{r^2}{R^2}\right), 0

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Q JEE MAIN 2019

Water from a tap emerges vertically downwards with an initial speed of $1.0 \mathrm{~ms}^{-1}$. The crosssectional area of the tap...

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Q JEE MAIN 2020

Water flows in a horizontal tube (see figure). The pressure of water changes by $700 \mathrm{Nm}^{-2}$ between A and $B$...

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Q JEE MAIN 2019

A cubical block of side 0.5 m floats on water with $30 \%$ of its volume under water. What is...

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Q JEE MAIN 2020

A air bubble of radius 1 cm in water has an upward acceleration $9.8 \mathrm{~cm} \mathrm{~s}^{-2}$. The density of water...

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Q JEE Main 2019

Water flows into a large tank with flat bottom at the rate of $10^{-4} \mathrm{~m}^3 \mathrm{~s}^{-1}$. Water is also leaking...

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Q JEE MAIN 2019

The top of a water tank is open to air and its water level is maintained. It is giving out...

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Q JEE MAIN 2020

Two identical cylindrical vessels are kept on the ground and each contain the same liquid of density $d$. The area...

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Q JEE MAIN 2020

Two liquids of densities $\rho_1$ and $\rho_2\left(\rho_2=2 \rho_1\right)$ are filled up behind a square wall of side 10 m as...

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Q JEE MAIN 2019

A wooden block floating in a bucket of water has $\frac{4}{5}$ of its volume submerged. When certain amount of an...

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Q JEE MAIN 2021

A bob of mass ' m ' suspended by a thread of length $l$ undergoes simple harmonic oscillations with time...

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Q JEE MAIN 2021

A bob of mass m suspended by a thread of length $l$ undergoes simple harmonic oscillations with time period T...

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Q JEE MAIN 2019

Water from a pipe is coming at a rate of 100 liters per minute. If the radius of the pipe...

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Q JEE MAIN 2021

The water is filled upto height of 12 m in a tank having vertical sidewalls. A hole is made in...

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Q JEE MAIN 2021

Two narrow bores of diameter 5.0 mm and 8.0 mm are joined together to form a U-shaped tube open at...

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Q JEE MAIN 2021

A raindrop with radius R = 0.2 mm falls from a cloud at a height h = 2000 m above...

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Q JEE MAIN 2021

A raindrop with radius R = 0.2 mm falls from a cloud at a height h = 2000 m above...

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Q JEE MAIN 2021

A light cylindrical vessel is kept on a horizontal surface. Area of base is A. A hole of crosssectional area...

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Q JEE MAIN 2021

Consider a water tank as shown in the figure. It's cross-sectional area is $0.4 \mathrm{~m}^2$. The tank has an opening...

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Q JEE MAIN 2021

What will be the nature of flow of water from a circular tap, when its flow rate increased from 0.18...

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Q JEE MAIN 2021

A hydraulic press can lift 100 kg when a mass 'm' is placed on the smaller piston. It can lift...

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Q JEE MAIN 2021

The pressure acting on a submarine is $3 \times 10^5 \mathrm{~Pa}$ at a certain depth. If the depth is doubled,...

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Q JEE MAIN 2022

The metallic bob of simple pendulum has the relative density 5. The time period of this pendulum is 10 s....

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Q JEE MAIN 2022

A tube of length 50 cm is filled completely with an incompressible liquid of mass 250 g and closed at...

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Q JEE MAIN 2022

Consider a cylindrical tank of radius 1 m is filled with water. The top surface of water is at 15...

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Q JEE MAIN 2022

A pressure-pump has a horizontal tube of cross-sectional area $10 \mathrm{~cm}^2$ for the outflow of water at a speed of...

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Q JEE MAIN 2022

A drop of liquid of density $\rho$ is floating half immersed in a liquid of density $\sigma$ and surface tension...

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Q JEE MAIN 2022

Two cylindrical vessels of equal cross=sectional area $16 \mathrm{~cm}^2$ contain water upto heights 100 cm and 150 cm respectively. The...

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Q JEE MAIN 2022

A small spherical ball of radius 0.1 mm and density $10^4 \mathrm{~kg} \mathrm{~m}^{-3}$ falls freely under gravity through a a...

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Q JEE MAIN 2022

Sixty four conducting drops each of radius 0.02 m and each carrying a charge of $5 \mu \mathrm{C}$ are combined...

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Q JEE MAIN 2022

If $\rho$ is the density and $\eta$ is coefficient of viscosity of fluid which flows with a speed $v$ in...

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Q JEE MAIN 2022

The area of cross-section of a large tank is $0.5 \mathrm{~m}^2$. It has a narrow opening near the bottom having...

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Q JEE MAIN 2022

An ideal fluid of density 800 $\mathrm{kgm}^{-3}$, flows smoothly through a bent pipe (as shown in figure) that tapers in...

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Q JEE MAIN 2022

Mach List-I with List – II : Choose the correct answer from the options given below :

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Q JEE MAIN 2022

The velocity of a small ball of mass ‘m’ and density d1, when dropped in a container filled with glycerine,...

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Q JEEMAIN 2023 S1

The terminal velocity $\left(V_t\right)$ of the spherical rain drop depends on the radius (r) of the spherical rain drop as:-

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Q JEE MAIN 2024

The reading of pressure metre attached with a closed pipe is $4.5 \times 10^4 \mathrm{~N} / \mathrm{m}^2$. On opening the...

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Q JEE MAIN 2025

A cube having a side of 10 cm with unknown mass and 200 gm mass were hung at two ends...

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Q JEE MAIN 2023

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion...

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Q JEE MAIN 2023

Figure below shows a liquid being pushed out of the tube by a piston having area of cross section 2.0...

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Q JEE MAIN 2023

A hydraulic automobile lift is designed to lift vehicles of mass 5000 kg . The area of cross section of...

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Q JEE MAIN 2023

The surface of water in a water tank of cross section area $750 \mathrm{~cm}^2$ on the top of a house...

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Q JEE MAIN_2023

A fully loaded boeing aircraft has a mass of 5.4 × $10^5$ kg. Its total wing area is $500 \mathrm{~m}^2$.....

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Q JEE MAIN 2023

Glycerine of density $1.25 \times 10^3 \mathrm{~kg} \mathrm{~m}^{-3}$ is flowing through the conical section of pipe. The area of crosssection...

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Q JEE MAIN 2023

The figure shows a liquid of given density flowing steadily in horizontal tube of varying cross-section. Cross sectional areas at...

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Q JEE MAIN 2023

Given below are two statements:

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Q JEE MAIN

Correct Bernoulli's equation is (symbols have their usual meaning) :

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Q JEE MAIN 2024

A sphere of relative density σ and diameter D has concentric cavity of diameter d. The ratio of D/d, if...

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Q JEE MAIN 2024

Given below are two statements : Statement I : When speed of liquid is zero everywhere, pressure difference at any...

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Q JEE MAIN 2024

In a test experiment on a model aeroplane in wind tunnel, the flow speeds on the upper and lower surfaces...

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Q JEE MAIN 2025

Consider a completely full cylindrical water tank of height 1.6 m and of cross-sectional area $0.5\;{{\rm{m}}^2}$. It has a small...

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Q JEE MAIN 2025

A 400 g solid cube having an edge of length 10 cm floats in water. How much volume of the...

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Q JEE MAIN 2025

A vessel with square cross-section and height of 6 m is vertically partitioned. A small window of $100c{m^2}$ with hinged...

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Q JEE MAIN 2025

In a hydraulic lift, the surface area of the input piston is $6\;{\rm{c}}{{\rm{m}}^2}$ and that of the output piston is...

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Q JEE MAIN 2025

A light hollow cube of side length 10 cm and mass 10 g , is floating in water. It is...

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Q JEE MAIN 2025

Water flows in a horizontal pipe whose one end is closed with a valve. The reading of the pressure gauge...

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Q JEE MAIN 2025

The tube of length L is shown in the figure. The radius of cross section at the point (1) is...

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