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Mechanical Properties of Fluids — JEE Main & Advanced NSEP PYQs

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

24 questionsNSEPSolutions on every page

A solid wooden block with a uniform cross section is floating in water (density _ w ) with a height h₁ below water. Now a flat slab of stone is placed over the wooden block but the

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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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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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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 su

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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 v₁=0.35 ~m / s and area of cross section A₂

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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 t₁ and then the remaining heig

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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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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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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 combinatio

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

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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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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 th

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

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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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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 'a' a

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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 th

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

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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 surfac

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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 i

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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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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 effect of Surf

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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 so

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

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