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BITSAT Mechanical Properties of Fluids PYQs with Solutions

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

28 questionsPhysics2009–2024Answers + solutions

About Mechanical Properties of Fluids PYQs

Mechanical Properties of Fluids has 28 previous year questions in the Quantrex Academy BITSAT Physics bank. The 28 questions in this list come from BITSAT (28), spanning 2009 to 2024. Each question opens on its own page with the options, the correct answer and the worked solution where available.

BITSAT Mechanical Properties of Fluids PYQs with Solutions

About Mechanical Properties of Fluids PYQs

Questions by year (this list)

Mechanical Properties of Fluids questions with solutions

Pressure inside two soap bubbles are 1.01 and 1.02 atmosphere, respectively. The ratio of their volumes is :

A cube of ice floats partly in water and partly in kerosene oil. The radio of volume of ice immersed in water to that in kerosene oil (specific gravity of Kerosene oil =0.8

Eight equal drops of water are falling through air with a steady speed of 10 cm / s . If the drops coalesce, the new velocity is:

If 1000 droplets of water of surface tension 0.07 N / m . having same radius 1 ~mm each, combine to from a single drop. In the process the released surface energy is( Take

A capillary tube is attached horizontally to a constant heat arrangement. If the radius of the capillary tube is increased by 25 \% , then the rate of flow of liquid will change

A U - shaped tube contains a liquid of density rho and it is rotated about the left dotted line as shown in the figure. Find the difference in the levels of liquid column.

A spherical drop of radius R is divided into eight equal droplets. If surface tension is T , then the work done in this process is

A body of density ρ^ is dropped from rest at a height h into a lake of density ρ where ρ > ρ^ neglecting all dissipative forces, calculate the maximum depth to which the body

A vessel with water is placed on a weighing pan and it reads 600 g . Now a ball of mass 40 g and density 0.80 g cm^ -3 is sunk into the water with a pin of negligible volume, as

Two separate soap bubbles of radii 3 × 10 ^ - 3 m and 2 × 10 ^ - 3 m respectively, formed of same liquid (surface tension 65 × 10 ^ - 2 Nm^ - 1 ) come together to form a double

A block of wood floats in water with ( 4 / 5 ) ^ th ~of its volume submerged. If the same block just floate in a liquid, the density of liquid in (kgm^ - 3 ) & is

If a drop of liquid breaks into smaller droplets, it results in lowering of temperature of the droplets. Let a drop of radius R , break into N small droplets each of radius r

An ice-berg of density 900 kgm ^ - 3 is floating in water of density 1000 kgm ^ - 3 . The percentage of volume of ice-berg outside the water is&

Work done in increasing the size of a soap bubble from radius of (3 to 5 ) cm is nearly (surface tension of soap solution = 0. 03 Nm ^ - 1 )

The approximate depth of an ocean is 2700 m . The compressibility of water is 45.4 × 10^ -11 Pa^ -1 and density of water is 10^ 3 kg / ^ 3 . What fractional compression of water

A capillary tube of radius r is immersed vertically in a liquid such that liquid rises in it to height h (less than the length of the tube). Mass of liquid in the capillary tube

Water is flowing on a horizontal fixed surface, such that its flow velocity varies with y (vertical direction) as v=k( 2 y^ 2 a^ 2 - y^ 3 a^ 3 ). If coefficient of viscosity for

A glass capillary tube of internal radius r=0.25mm is immersed in water. The top end of the tube projected by 2 cm above the surface of the water. At what angle does the liquid

The work done in blowing a soap bubble of surface tension 0.06 × Nm^ -1 from 2 cm radius to 5 cm radius is

A ball whose density is 0.4 × 10^ 3 ~kg / m^ 3 falls into water from a height of 9 ~cm . To what depth does the ball sink?

An ice block floats in a liquid whose density is less than water. A part of block is outside the liquid. When whole of ice has melted, the liquid level will

A large drop of oil (density 0.8 g / cm^ 3 and viscosity η_ 0 ) floats up through a column of another liquid (density 1.2 g / cm^ 3 and viscosity η_ L ). Assuming that the two

Viscosity is the property of a liquid due to which it :

An air bubble of volume v_ 0 is released by a fish at a depth h in a lake. The bubble rises to the surface. Assume constant temperature and standard atmospheric pressure above the

A spherical ball is dropped in a long column of a viscous liquid. The speed (v) of the ball as a function of time (t) may be best represented by

Two mercury drops (each of radius r ) merge to form a bigger drop. The surface energy of the bigger drop, if T is the surface tension, is

Two circular plates of radius 5 cm each, have a 0.01 mm thick water film between them. Then what will be the force required to separate these plate (S.T. of water =73 dyne/cm)?

A liquid is flowing through a non-sectional tube with its axis horizontally. If two points X and Y on the axis of tube has a sectional area 2.0 cm^ 3 and 25 mm^ 2 respectively

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