Properties of Matter PYQs - Last 10 Years
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PhysicsMechanics2017-2026
Practice 284 JEE Main Physics questions from Properties of Matter. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Last 10 Years Properties of Matter Questions
Showing 34 of 284 filtered questions.
1Properties Of Matter
A metallic sphere cools from 50oC to 40o in 300 s. If atmospheric temperature around is 20oC,
then the sphere’s temperature after the next 5 minutes will be close to :
then the sphere’s temperature after the next 5 minutes will be close to :
MCQ+4 / -12020
2Properties Of Matter
A cylindrical vessel containing a liquid is
rotated about its axis so that the liquid rises at
its sides as shown in the figure. The radius of
vessel is 5 cm and the angular speed of
rotation is \(\omega\) rad s–1. The difference in the
he...
rotated about its axis so that the liquid rises at
its sides as shown in the figure. The radius of
vessel is 5 cm and the angular speed of
rotation is \(\omega\) rad s–1. The difference in the
he...
MCQ+4 / -12020
3Properties Of Matter
A capillary tube made of glass of radius 0.15
mm is dipped vertically in a beaker filled with
methylene iodide (surface tension = 0.05 Nm–1,
density = 667 kg m–3) which rises to height h in
the tube. It is observed that the two tangents
dra...
mm is dipped vertically in a beaker filled with
methylene iodide (surface tension = 0.05 Nm–1,
density = 667 kg m–3) which rises to height h in
the tube. It is observed that the two tangents
dra...
MCQ+4 / -12020
4Properties Of Matter
A wire of density 9 \(\times\) 10–3 kg cm–3 is stretched
between two clamps 1 m apart. The resulting
strain in the wire is 4.9 \(\times\) 10–4. The lowest
frequency of the transverse vibrations in the
wire is : (Young’s modulus of wire ...
between two clamps 1 m apart. The resulting
strain in the wire is 4.9 \(\times\) 10–4. The lowest
frequency of the transverse vibrations in the
wire is : (Young’s modulus of wire ...
INTEGER+4 / -02020
5Properties Of Matter
The top of a water tank is open to air and its water level is mainted. It is giving out 0.74 m3 water per minute through a circular opening of 2 cm radius in its wall. The depth of the center of the opening from the level of water in the ta...
MCQ+4 / -12019
6Properties Of Matter
If 'M' is the mass of water that rises in a capillary
tube of radius 'r', then mass of water which will
rise in a capillary tube of radius '2r' is :
tube of radius 'r', then mass of water which will
rise in a capillary tube of radius '2r' is :
MCQ+4 / -12019
7Properties Of Matter
A simple pendulum oscillating in air has period
T. The bob of the pendulum is completely
immersed in a non-viscous liquid. The density
of the liquid is
1/16 th of the material of the bob.
If the bob is inside liquid all the time, its period...
T. The bob of the pendulum is completely
immersed in a non-viscous liquid. The density
of the liquid is
1/16 th of the material of the bob.
If the bob is inside liquid all the time, its period...
MCQ+4 / -12019
8Properties Of Matter
A wooden block floating in a bucket of water
has 4/5 of its volume submerged. When certain
amount of an oil is poured into the bucket, it
is found that the block is just under the oil
surface with half of its volume under water and
half in ...
has 4/5 of its volume submerged. When certain
amount of an oil is poured into the bucket, it
is found that the block is just under the oil
surface with half of its volume under water and
half in ...
MCQ+4 / -12019
9Properties Of Matter
A steel wire having a radius of 2.0 mm,
carrying a load of 4 kg, is hanging from a
ceiling. Given that g = 3.1 p ms–2, what will be
the tensile stress that would be developed in the
wire ?
carrying a load of 4 kg, is hanging from a
ceiling. Given that g = 3.1 p ms–2, what will be
the tensile stress that would be developed in the
wire ?
MCQ+4 / -12019
10Properties Of Matter
Water from a pipe is coming at a rate of
100 litres per minute. If the radius of the pipe
is 5 cm, the Reynolds number for the flow is
of the order of : (density of water = 1000 kg/m3,
coefficient of viscosity of water = 1mPas)
100 litres per minute. If the radius of the pipe
is 5 cm, the Reynolds number for the flow is
of the order of : (density of water = 1000 kg/m3,
coefficient of viscosity of water = 1mPas)
MCQ+4 / -12019
11Properties Of Matter
A boy's catapult is made of rubber cord which
is 42 cm long, with 6 mm diameter of
cross-section and of negligible mass. The boy
keeps a stone weighing 0.02kg on it and
stretches the cord by 20 cm by applying a
constant force. When released...
is 42 cm long, with 6 mm diameter of
cross-section and of negligible mass. The boy
keeps a stone weighing 0.02kg on it and
stretches the cord by 20 cm by applying a
constant force. When released...
MCQ+4 / -12019
12Properties Of Matter
Young's moduli of two wires A and B are in the
ratio 7 : 4. Wire A is 2 m long and has radius R.
Wire B is 1.5 m long and has radius 2 mm. If
the two wires stretch by the same length for a
given load, then the value of R is close to :-
ratio 7 : 4. Wire A is 2 m long and has radius R.
Wire B is 1.5 m long and has radius 2 mm. If
the two wires stretch by the same length for a
given load, then the value of R is close to :-
MCQ+4 / -12019
13Properties Of Matter
A load of mass M kg is suspended from a steel wire of length 2m and radius 1.0 mm in Searle's apparatus
experiment. The increase in length produced in the wire is 4.0 mm. Now the load is fully immersed in a liquid of relative density 2. The...
experiment. The increase in length produced in the wire is 4.0 mm. Now the load is fully immersed in a liquid of relative density 2. The...
MCQ+4 / -12019
14Properties Of Matter
A soap bubble, blown by a mechanical pump at the mouth of a tube, increases in volume, with time, at a constant rate. The graph that correctly depicts the time dependence of pressure inside the bubble is given by :
MCQ+4 / -12019
15Properties Of Matter
A long cylindrical vessel is half filled with a liquid. When the vessel is rotated about its own vertical axis, the liquid rises up near the wall. If the radius of vessel is 5 cm and its rotational speed is 2 rotations per second, then the ...
MCQ+4 / -12019
16Properties Of Matter
The number density of molecules of a gas depends on their distance r from the origin as, \(n\left( r \right) = {n_0}{e^{ - \alpha {r^4}}}\).
Then the total number of molecules is proportional to :
Then the total number of molecules is proportional to :
MCQ+4 / -12019
17Properties Of Matter
A uniform cylindrical rod of length L and radius r, is made from a material whose Young’s modulus of
Elasticity equals Y. When this rod is heated by temperature T and simultaneously subjected to a net
longitudinal compressional force F, its...
Elasticity equals Y. When this rod is heated by temperature T and simultaneously subjected to a net
longitudinal compressional force F, its...
MCQ+4 / -12019
18Properties Of Matter
A solid sphere, of radius R acquires a terminal velocity v1 when falling (due to gravity) through a viscous
fluid having a coefficient of viscosity . The sphere is broken into 27 identical solid spheres. If each of these
spheres acquires a ...
fluid having a coefficient of viscosity . The sphere is broken into 27 identical solid spheres. If each of these
spheres acquires a ...
MCQ+4 / -12019
19Properties Of Matter
A liquid of density \(\rho\) is coming out of a hose pipe of radius a with horizontal speed \(\upsilon\) and hits a mesh. 50% of
the liquid passes through the mesh unaffected. 25% looses all of its momentum and 25% comes back with the sam...
the liquid passes through the mesh unaffected. 25% looses all of its momentum and 25% comes back with the sam...
MCQ+4 / -12019
20Properties Of Matter
Water flows into a large tank with flat bottom at the rate of 10–4m3s–1. Water is also leaking out of a hole ofarea 1 cm2 at its bottom. If the height of the water in the tank remains steady, then this height is -
MCQ+4 / -12019
21Properties Of Matter
The ratio of surface tensions of mercury and
water is given to be 7.5 while the ratio of thier
densities is 13.6. Their contact angles, with
glass, are close to 135° and 0°, respectively. It
is observed that mercury gets depressed by an
amo...
water is given to be 7.5 while the ratio of thier
densities is 13.6. Their contact angles, with
glass, are close to 135° and 0°, respectively. It
is observed that mercury gets depressed by an
amo...
MCQ+4 / -12019
22Properties Of Matter
A cubical block of side 0.5 m floats on water with 30% of its volume under water. What is the maximum
weight that can be put on the block without fully submerging it under water? [Take, density of water = 103
kg/m3]
weight that can be put on the block without fully submerging it under water? [Take, density of water = 103
kg/m3]
MCQ+4 / -12019
23Properties Of Matter
The elastic limit of brass is 379 MPa. What should be the minimum diameter of a brass rod if it is to support
a 400 N load without exceeding its elastic limit?
a 400 N load without exceeding its elastic limit?
MCQ+4 / -12019
24Properties Of Matter
A submarine experiences a pressure of 5.05 × 106
Pa at a depth of d1 in a sea. When it goes further to a depth
of d2, it experiences a pressure of 8.08 × 106
Pa. Then d2 –d1 is approximately (density of water = 103
kg/m3
and acceleration...
Pa at a depth of d1 in a sea. When it goes further to a depth
of d2, it experiences a pressure of 8.08 × 106
Pa. Then d2 –d1 is approximately (density of water = 103
kg/m3
and acceleration...
MCQ+4 / -12019
25Properties Of Matter
In an experiment, brass and steel wires of length 1 m each with areas of cross section 1mm2
are used. The
wires are connected in series and one end of the combined wire is connected to a rigid support and other end
is subjected to elongati...
are used. The
wires are connected in series and one end of the combined wire is connected to a rigid support and other end
is subjected to elongati...
MCQ+4 / -12019
26Properties Of Matter
Water from a tap emerges vertically downwards with an initial speed of 1.0 ms–1
. The cross-sectional area of
the tap is 10–4 m2. Assume that the pressure is constant throughout the stream of water and that the flow is streamlined. The cros...
. The cross-sectional area of
the tap is 10–4 m2. Assume that the pressure is constant throughout the stream of water and that the flow is streamlined. The cros...
MCQ+4 / -12019
27Properties Of Matter
A small soap bubble of radius 4 cm is trapped inside another bubble of radius 6 cm without any contact. Let P2 be the pressure inside the inner bubble and P0, the pressure outside the outer bubble. Radius of another bubble with pressure dif...
MCQ+4 / -12018
28Properties Of Matter
A thin uniform tube is bent into a circle of radius \(r\) in the vertical plane. Equal volumes of two immiscible liquids, whose densities are \({\rho _1}\) and \({\rho _2}\) \(\left( {{\rho _1} > {\rho _2}} \right),\) fill half the circle. ...
MCQ+4 / -12018
29Properties Of Matter
A body takes 10 minutes to cool from 60oC to 50oC. The tempertature of surroundings is constant at 25oC. Then, the temperature of the body after next 10 minutes will be approximately :
MCQ+4 / -12018
30Properties Of Matter
As shown in the figure, forces of 105 N each are applied in opposite directions, on the upper and lower faces of a cube of side 10 cm, shifting the upper face parallel to itself by 0.5 cm. If the side of another cube of the same material i...
MCQ+4 / -12018
31Properties Of Matter
When an air bubble of radius r rises from the bottom to the surface of a lake its radius becomes \({{5r} \over 4}.\) Taking the atmospheric pressure to be equal to 10 m height of water column, the depth of the lake would approximately be (i...
MCQ+4 / -12018
32Properties Of Matter
A solid sphere of radius r made of a soft material of bulk modulus K is surrounded by a liquid in a
cylindrical container. A massless piston of area a floats on the surface of the liquid, covering entire cross
section of cylindrical contain...
cylindrical container. A massless piston of area a floats on the surface of the liquid, covering entire cross
section of cylindrical contain...
MCQ+4 / -12018
33Properties Of Matter
Two tubes of radii r1 and r2, and lengths l1 and l2 , respectively, are connected in series
and a liquid flows through each of them in stream line conditions. P1 and P2 are pressure differences across the two tubes.
If P2 is 4P1 and l...
and a liquid flows through each of them in stream line conditions. P1 and P2 are pressure differences across the two tubes.
If P2 is 4P1 and l...
MCQ+4 / -12017
34Properties Of Matter
A man grows into a giant such that his linear dimensions increase by a factor of 9. Assuming that his
density remains same, the stress in the leg will change by a factor of :
density remains same, the stress in the leg will change by a factor of :
MCQ+4 / -12017