Properties of Matter PYQs - Last 10 Years

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Practice 35 NEET 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 35 of 35 filtered questions.

1Properties Of Matter

Water flows in a streamline motion through a horizontal pipe of circular cross-section as shown in the figure. The pressure difference of water between $P$ and $Q$ is $15 \mathrm{Nm}^{-2}$. The area of cross-section at $P$ and $Q$ are $40 \...

2Properties Of Matter

In the measurement of viscosity of liquids using terminal velocity experiment, spherical balls of same radius but having different densities are used. The variation of the terminal velocity ( $v$ ) with the ratio of density of spherical bal...

3Properties Of Matter

A submarine is designed to withstand an absolute pressure of 100 atm . How deep can it go below the water surface?
(Consider the density of water $=1000 \mathrm{~kg} \mathrm{~m}^{-3}$, $1 \mathrm{~atm}=1 \times 10^5 \mathrm{~Pa}$ and gravit...

4Properties Of Matter

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5Properties Of Matter

Consider a water tank shown in the figure. It has one wall at $x=L$ and can be taken to be very wide in the $z$ direction. When filled with a liquid of surface tension $S$ and density $\rho$, the liquid surface makes angle $\theta_0\left(\t...

6Properties Of Matter

An ideal fluid is flowing in a non-uniform cross-sectional tube \(X Y\) (as shown in the figure) from end \(X\) to end \(Y\). If \(K_1\) and \(K_2\) are the kinetic energy per unit volume of the fluid at \(X\) and \(Y\) respectively, then t...

7Properties Of Matter

A thin flat circular disc of radius \(4.5 \mathrm{~cm}\) is placed gently over the surface of water. If surface tension of water is \(0.07 \mathrm{~N} \mathrm{~m}^{-1}\), then the excess force required to take it away from the surface is

8Properties Of Matter

The maximum elongation of a steel wire of \(1 \mathrm{~m}\) length if the elastic limit of steel and its Young's modulus, respectively, are \(8 \times 10^8 \mathrm{~N} \mathrm{~m}^{-2}\) and \(2 \times 10^{11} \mathrm{~N} \mathrm{~m}^{-2}\)...

9Properties Of Matter

A metallic bar of Young's modulus, \(0.5 \times 10^{11} \mathrm{~N} \mathrm{~m}^{-2}\) and coefficient of linear thermal expansion \(10^{-5}{ }^{\circ} \mathrm{C}^{-1}\), length \(1 \mathrm{~m}\) and area of cross-section $$10^{-3} \mathrm{...

10Properties Of Matter

The viscous drag acting on a metal sphere of diameter \(1 \mathrm{~mm}\), falling through a fluid of viscosity \(0.8 \mathrm{~Pa}\) s with a velocity of \(2 \mathrm{~m} \mathrm{~s}^{-1}\) is equal to :

11Properties Of Matter

Which of the following statement is not true?

12Properties Of Matter

The amount of elastic potential energy per unit volume (in SI unit) of a steel wire of length \(100 \mathrm{~cm}\) to stretch it by \(1 \mathrm{~mm}\) is (if Young's modulus of the wire \(=2.0 \times 10^{11} \mathrm{Nm}^{-2}\) ) :

13Properties Of Matter

Let a wire be suspended from the ceiling (rigid support) and stretched by a weight \(W\) attached at its free end. The longitudinal stress at any point of cross-sectional area \(A\) of the wire is :

14Properties Of Matter

The venturi-meter works on :

15Properties Of Matter

The amount of energy required to form a soap bubble of radius \(2 \mathrm{~cm}\) from a soap solution is nearly: (surface tension of soap solution \(=0.03 \mathrm{~N} \mathrm{~m}^{-1}\) )

16Properties Of Matter

The terminal velocity of a copper ball of radius 5 mm falling through a tank of oil at room temperature is 10 cm s\(-\)1. If the viscosity of oil at room temperature is 0.9 kg m\(-\)1 s\(-\)1, the viscous drag force is :

17Properties Of Matter

Two copper vessels A and B have the same base area but of different shapes. A takes twice the volume of water as that B requires to fill upto a particular common height. Then the correct statement among the following is :

18Properties Of Matter

Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : The stretching of a spring is determined by the shear modulus of the material of the spring.
Reason (R) : A coil spri...

19Properties Of Matter

If a soap bubble expands, the pressure inside the bubble

20Properties Of Matter

A spherical ball is dropped in a long column of a highly viscous liquid. The curve in the graph shown, which represents the speed of the ball (v) as a function of time (t) is

21Properties Of Matter

The velocity of a small ball of mass M and density d, when dropped in a container filled with glycerin becomes constant after some time. If the density of glycerin is \({d \over 2}\), then the viscous force acting on the ball will be :

22Properties Of Matter

A wire of length L, are of cross section A is hanging from a fixed support. The length of the wire changed to L1 when mass M is suspended from its free end. The expression for Young's modulus is :

23Properties Of Matter

A capillary tube of radius r is immersed in water and water rises in it to a height h. The mass of the water in the capillary is 5 g. Another capillary tube of radius 2r is immersed in Water. The mass of water that will rise in this tube is...

24Properties Of Matter

A small hole of area of cross-section 2 mm2 present near the bottom of a fully filled open tank of height 2 m. Taking g = 10 m/s2, the rate of flow of water through the open hole would be nearly :

25Properties Of Matter

The unit of thermal conductivity is :

26Properties Of Matter

When a block of mass M is suspended by a long wire of length L, the length of the wire becomes (L + \(l\)). The elastic potential energy stored in the extended wire is :

27Properties Of Matter

A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in tmperature. The length of aluminium rod is : (\(\alpha\)Cu = 1.7 × 10–5 K–1 and
\(\alpha\)Al = 2.2 × 10–5 K–1)

28Properties Of Matter

A soap bubble, having radius of 1 mm, is blown from a detergent solution having a surface tension of 2.5 \(\times\) 10–2 N/m. The pressure inside the bubble equals at a point Z0 below the free surface of water in a container. Taking g = 1...

29Properties Of Matter

Two wires are made of the same material and
have the same volume. The first wire has
cross-sectional area A and the second wire has
cross-sectional area 3A. If the length of the first
wire is increased by \(\Delta\)l on applying a force F,...

30Properties Of Matter

A small sphere of radius ‘r’ falls from rest in a
viscous liquid. As a result, heat is produced
due to viscous force. The rate of production of
heat when the sphere attains its terminal velocity,
is proportional to

31Properties Of Matter

The power radiated by a black body is P and it
radiates maximum energy at wavelength, \(\lambda\)0
. If
the temperature of the black body is now
changed so that it radiates maximum energy at
wavelength \({3 \over 4}{\lambda _0}\), the powe...

32Properties Of Matter

A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be

33Properties Of Matter

The bulk modulus of a spherical object is 'B'. If it is subjected to uniform pressure 'P', the fractional decrease in radius is

34Properties Of Matter

Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K1 and K2. The thermal conductivity of the composite will be

35Properties Of Matter

A U tube with both ends open to the atmosphere, is partially filled with water. Oil, which is immiscible with water, is poured into one side until it stands at a distance of 10 mm above the water level on the other side. Meanwhile the wate...