Properties of Matter PYQs - Last 10 Years
WB JEE / Physics / Mechanics / 28 recent questions
PhysicsMechanics2017-2026
Practice 28 WB JEE 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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2017-2026
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Last 10 Years Properties of Matter Questions
Showing 28 of 28 filtered questions.
1Properties Of Matter
A pipe $A$ is connected with other pipes $B$ and $C$ as shown in the figure．The areas of cross－section of $A, B$ and $C$ are respectively $\alpha, \frac{\alpha}{2}$ and $\frac{\alpha}{4}$ ．If the velocities of flow of water through $A$ and ...
MCQM+1 / -0.252026
2Properties Of Matter
Which one of the following graphs represents the velocity-time $(v-t)$ graph of a small spherical body falling in a viscous liquid?
MCQM+1 / -0.252026
3Properties Of Matter
Two spherical soap bubbles of radii $r_1$ and $r_2$ in vaccum coalesce under isothermal condition．The newly formed bubble has a radius（ $r$ ）given by
MCQM+1 / -0.252026
4Properties Of Matter
A body of density＇$\rho$＇is dropped slowly on the surface of a lake of depth $d$ ．If the density of the lake water be＇$\rho^{\prime \prime}\left(\rho^{\prime}<\rho\right)$ then the time taken by the body to reach the bottom of the lake is ‘
MCQ+1 / -0.252026
5Properties Of Matter
Three different liquids are filled in a U-tube as shown in figure. Their densities are $\rho_1, \rho_2$ and $\rho_3$ respectively. From the figure we may conclude that
MCQ+1 / -0.252025
6Properties Of Matter
A piece of granite floats at the interface of mercury and water contained in a beaker as in figure. If the densities of granite, water and mercury are $\rho, \rho_1$ and $\rho_2$ respectively, the ratio of the volume of granite in water to ...
MCQ+2 / -0.52025
7Properties Of Matter
The apparent coefficient of expansion of a liquid, when heated in a copper vessel is $C$ and when heated in silver vessel is $S$. If $A$ is linear coefficient of expansion of copper, then linear coefficient of expansion of silver is
MCQ+2 / -0.52025
8Properties Of Matter
One end of a stecl wire is fixed to the ceiling of an elevator moving up with an acceleration $2 \mathrm{~m} / \mathrm{s}^2$ and a load of 10 kg hangs from the other end. If the cross section of the wire is $2 \mathrm{~cm}^2$, then the long...
MCQ+1 / -0.252025
9Properties Of Matter
Water is filled in a cylindrical vessel of height \(\mathrm{H}\). A hole is made at height \(\mathrm{z}\) from the bottom, as shown in the figure. The value of z for which the range (R) of the emerging water through the hole will be maximum...
MCQ+2 / -0.52024
10Properties Of Matter
A body floats with \(\frac{1}{n}\) of its volume keeping outside of water. If the body has been taken to height \(\mathrm{h}\) inside water and released, it will come to the surface after time t. Then
MCQ+1 / -0.252024
11Properties Of Matter
The elastic potential energy of a strained body is
MCQ+1 / -0.252024
12Properties Of Matter
A metal plate of area \(10^{-2} \mathrm{~m}^2\) rests on a layer of castor oil, \(2 \times 10^{-3} \mathrm{~m}\) thick, whose coefficient of viscosity is \(1.55 \mathrm{~Ns} \mathrm{~m}^{-2}\). The approximate horizontal force required to m...
MCQ+2 / -0.52024
13Properties Of Matter
As shown in the figure, a pump is designed as horizontal cylinder with a piston having area A and an outlet orifice having an area 'a'. The piston moves with a constant velocity under the action of force F. If the density of the liquid is ...
MCQ+1 / -0.252023
14Properties Of Matter
As shown in the figure, a liquid is at same levels in two arms of a U-tube of uniform cross-section when at rest. If the U-tube moves with an acceleration 'f' towards right, the difference between liquid heights between two arms of the U-t...
MCQ+1 / -0.252023
15Properties Of Matter
Two wires A and B of same length are made of same material. Load (F) vs. elongation (x) graph for these two wires is shown in the figure. Then which of the following statement(s) is/are true?
MCQM+2 / -02022
16Properties Of Matter
27 drops of mercury coalesce to form a bigger drop. What is the relative increase in surface energy?
MCQ+1 / -0.252022
17Properties Of Matter
Under isothermal conditions, two soap bubbles of radii a and b coalesce to form a single bubble of radius c. If the external pressure is p, then surface tension of the bubbles is
MCQ+2 / -0.52021
18Properties Of Matter
Two solid spheres S1 and S2 of same uniform density fall from rest under gravity in a viscous medium and after sometime, reach terminal velocities v1 and v2, respectively. If ratio of masses \({{{m_1}} \over {{m_2}}} = 8\), then $${{{v_1}} ...
MCQ+1 / -0.252021
19Properties Of Matter
A body of density 1.2 \(\times\) 103 kg/m3 is dropped from rest from a height 1 m into a liquid to density 2.4 \(\times\) 103 kg/m3. Neglecting all dissipative effects, the maximum depth to which the body sinks before returning to float on ...
MCQ+1 / -0.252021
20Properties Of Matter
A steel and a brass wire, each of length 50 cm and cross-sectional area 0.005 cm2 hang from a ceiling and are 15 cm apart. Lower ends of the wires are attached to a light horizontal bar. A suitable downward load is applied to the bar, so th...
MCQ+1 / -0.252020
21Properties Of Matter
Which of the following diagrams correctly shows the relation between the terminal velocity vT of a spherical body falling in a liquid and viscosity \(\eta\)
of the liquid?
of the liquid?
MCQ+1 / -0.252020
22Properties Of Matter
A small spherical body of radius r and density \(\rho\) moves with the terminal velocity v in a fluid of coefficient of viscosity \(\eta\) and density \(\sigma\). What will be the net force on the body?
MCQ+1 / -0.252019
23Properties Of Matter
A compressive force is applied to a uniform rod of rectangular cross-section so that its length decreases by 1%. If the Poisson's ratio for the material of the rod be 0.2, which of the following statements is correct?"The volume approximate...
MCQ+1 / -0.252019
24Properties Of Matter
The stress along the length of a rod (with rectangular cross-section) is 1% of the Young's modulus of its material. What is the approximate percentage of change of its volume? (Poisson's ratio of the material of the rod is 0.3).
MCQ+1 / -0.252018
25Properties Of Matter
What will be the approximate terminal velocity of a rain drop of diameter \({1.8 \times {{10}^{ - 3}}}\) m, when density of rain water \(\approx\) \({1.8 \times {{10}^{ - 5}}}\) N-sm\(-\)2 (Neglect buoyancy of air)
MCQ+1 / -0.252018
26Properties Of Matter
A liquid of bulk modulus k is compressed by applying an external pressure such that its density increases by 0.01%. The pressure applied on the liquid is
MCQ+1 / -0.252017
27Properties Of Matter
A uniform capillary tube of length l and inner radius r with its upper end sealed is submerged vertically into water. The outside pressure is p0 and surface tension of water is \(\gamma\). When a length x of the capillary is submerged into ...
MCQ+1 / -0.252017
28Properties Of Matter
A solid rectangular sheet has two different coefficients of linear expansion \(\alpha\)1 and \(\alpha\)2 along its length and breadth respectively. The coefficient of surface expansion is (for \(\alpha\)1 t << 1, \(\alpha\)2t < <1)
MCQ+1 / -0.252017