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JEE Mechanical Properties of Fluids PYQs with Solutions

24 previous year questions from Mechanical Properties of Fluids (JEE Main & Advanced NSEP) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

24 questionsNSEPAnswers + solutions

About Mechanical Properties of Fluids PYQs

Mechanical Properties of Fluids has 24 previous year questions in the Quantrex Academy JEE Main & Advanced NSEP bank. The 24 questions in this list come from Olympiad workbook (24). Each question opens on its own page with the options, the correct answer and the worked solution where available.

Mechanical Properties of Fluids questions with solutions

1

A solid wooden block with a uniform cross section is floating in water (density ρ_ w ) with a height h_1 below water. Now a flat slab of stone is placed over the wooden block but

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2

Paragraph: A wheel of a car is made up of two parts (1)the central metal rim, and (2)the rubber tyre. The width of the tyre W=16.5 ~cm and height h=10.7 ~cm . The rim overlaps the

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3

Paragraph: A wheel of a car is made up of two parts (1)the central metal rim, and (2)the rubber tyre. The width of the tyre W=16.5 ~cm and height h=10.7 ~cm . The rim overlaps the

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4

A cup of water is placed in a car moving at a constant acceleration a to the left. Inside the water is a small air bubble. The figure that correctly shows the shape of the water

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5

Water is flowing through a vertical tube with varying cross section as shown. The rate of flow is 52.5 ml / s . Given that speed of flow v_1=0.35 ~m / s and area of cross section

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6

A small ball bearing is released at the top of a long vertical column of glycerin of height 2 h . The ball bearing falls through a height h in a time t_1 and then the remaining

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7

Paragraph: A wheel of a car is made up of two parts (1)the central metal rim, and (2)the rubber tyre. The width of the tyre W=16.5 ~cm and height h=10.7 ~cm . The rim overlaps the

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8

The excess pressure inside a soap bubble is equal to 2 mm of kerosene (density 0.8 ~g ~cm^ -3 ). If the diameter of the bubble is 3.0 cm , the surface tension of soap solution is

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9

Two identical solid blocks A and B are made of two different materials. Block A floats in a liquid with half of its volume submerged. When block B is pasted over A , the

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10

A hollow sphere of inner radius 9 cm and outer radius 10 cm floats half submerged in a liquid of specific gravity 0.8 . The density of the material of the sphere is

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11

A 3.0 cm thick layer of oil (. density .ρ_ oil =800 ~kg / m^3) floats on water (. density .ρ_ w =1000 ~kg / m^3) in a transparent glass beaker. A solid cylinder is observed

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12

A jet of water from 15 cm diameter nozzle of a fire hose can reach the maximum height of 25 m . The force exerted by the water jet on the hose is

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13

A 20 cm long capillary tube stands vertically with lower end just in water. Water rises up to 5 cm . If the entire system is now kept on a freely falling platform, the length of

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14

A home aquarium partly filled with water slides down an inclined plane of inclination angle θ with respect to the horizontal. The surface of water in the aquarium

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15

The flow of water in a horizontal pipe is stream line flow. Along the pipe, at a point, where cross sectional area is 10 ~cm^2 , the velocity of water flow is 1.00 ~ms^ -1 and the

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16

A large hemispherical water tank of radius R is filled with water initially upto a height h=(R)/(2) . The water starts dripping out through a small orifice of cross section area

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17

Two small solid balls of masses m and 8 m made up of same material are tied at the two ends of a thin weightless thread. They are dropped from a balloon in air. The tension T of

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18

The rate of flow of a certain liquid of viscocity η through a horizontal capillary of length l and radius r is Q when the pressure head at the inlet is just twice the atmospheric

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19

Two plane glass testing slides each of surface area A are stuck with each other by a small water drop squeezed between them as an extremely thin film of thickness d . If the

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20

A small sphere of mass 2.00 g is released from rest in a large cylindrical vessel filled with oil. The resistive force due to viscosity of oil acting on sphere is proportional to

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21

Water flows at 1.2 ~m / s through a hose of diameter 1.59 cm . The time required to fill a cylindrical container of radius 2 m to a height of h=1.25 ~m will be nearly

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22

An air bubble of radius 2 mm at a depth 12 m below the surface of water at temperature of 8^ ^ ^ ∘ C , rises to the surface where the temperature is 16^ ^ ^ ∘ C . Neglecting the

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23

Two soap bubbles of radii a and b coalesce to form a single bubble of radius c under isothermal conditions. If the external pressure is p_A , then the Surface Tension (T) of the

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24

The density of a liquid is ρ at the surface. The bulk modulus of the liquid is B. The increase Δ ρ in the density of the liquid at a depth h from the surface is (with Δ ρ ρ )

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Main Mechanical Properties of Fluids list

The larger JEE Mechanical Properties of Fluids list is under Physics (496 questions).

Related JEE NSEP chapters

Mechanical Properties of Fluids in other exams