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JEE Mechanical Properties of Solids PYQs with Solutions

249 previous year questions from Mechanical Properties of Solids (JEE Main & Advanced Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

249 questionsPhysics2003–2026Answers + solutions

About Mechanical Properties of Solids PYQs

Mechanical Properties of Solids has 249 previous year questions in the Quantrex Academy JEE Main & Advanced Physics bank. The 220 questions in this list come from JEE Main (120), NTA Abhyas JEE Main (35), 99 Percentile Qs Bank for JEE Main (30) and 3 other sources, spanning 2003 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

Questions by year (this list)

  • 2026: 14
  • 2025: 9
  • 2024: 15
  • 2023: 17
  • 2022: 13
  • 2021: 16
  • 2020: 41
  • 2019: 6
  • 2018: 2
  • 2017: 1
  • 2016: 2
  • 2015: 2

Mechanical Properties of Solids questions with solutions

1

Figure represents the extension ( Δ l ) of a wire of length 1 meter, suspended from the ceiling of the room at one end with a load W connected to the other end. If the

JEE Main 2026 Solution View → 2

A lift of mass 1600 kg is supported by thick iron wire. If the maximum stress which the wire can withstand is 4 × 10^8 N/m ^2 and its radius is 4 mm, then maximum acceleration the

JEE Main 2026 Solution View → 3

The two wires A and B of equal cross-section but of different materials are joined together. The ratio of Young's modulus of wire A and wire B is 20/11 . When the joined wire is

JEE Main 2026 Solution View → 4

A copper wire of length 3 m is stretched by 3 mm by applying an external force. The volume of the wire is 600 × 10^ -6 m^3 . The elastic potential energy stored in the wire in

JEE Main 2026 Solution View → 5

The Young's modulus of steel wire of radius r and length L is Y . If the radius r and length L of the wire are doubled then the value of Y

JEE Main 2026 Solution View → 6

Two wires as shown in the figure below, made of steel and have breaking stress of 12 × 10^8 N/m ^2 . Area of cross-section of upper wire is 0.008 cm ^2 and of lower wire is 0.004

JEE Main 2026 Solution View → 7

A cube has side length 5 cm and modulus of rigidity 10^5 N/m ^2 . The displacement produced by a force of 10 N in the upper face of cube is _____ mm.

JEE Main 2026 Solution View → 8

A metal string A is suspended from a rigid support and its free end is attached to a block of mass M . Second block having mass 2M is suspended at the bottom of the first block

JEE Main 2026 Solution View → 9

The increase in the pressure required to decrease the volume (Δ V) of water is 6.3 × 10^7 N/m ^2 . The percentage decrease in the volume is _____. (Bulk modulus of water = 2.1 ×

JEE Main 2026 Solution View → 10

A string A of length 0.314 m and Young's modulus 2 × 10^ 10 N/m ^2 is connected to another string B of length and Young's modulus both twice of those of A . This series

JEE Main 2026 Solution View → 11

The diameter of a wire measured by a screw gauge of least count 0.001 cm is 0.08 cm. The length measured by a scale of least count 0.1 cm is 150 cm. When a weight of 100 N is

JEE Main 2026 Solution View → 12

A uniform wire of length l of weight w is suspended from the roof with a weight of W at the other end. The stress in the wire at (l)/(3) distance from the top is ((W)/(A) +

JEE Main 2026 Solution View → 13

Two wires A and B made of different materials of lengths 6.0 cm and 5.4 cm, respectively and area of cross sections 3.0 × 10^ -5 ~m^ 2 and 4.5 × 10^ -5 ~m^ 2 , respectively are

JEE Main 2026 Solution View → 14

The strain-stress plot for materials A, B, C and D is shown in the figure. Which material has the largest Young's modulus ?

JEE Main 2026 Solution View → 15

A 3 m long wire of radius 3 mm shows an extension of 0.1 mm when loaded vertically by a mass of 50 kg in an experiment to determine Young's modulus. The value of Young's modulus

JEE Main 2025 Solution View → 16

A sample of a liquid is kept at 1 atm. It is compressed to 5 atm which leads to change of volume of 0.8 ~cm^3 . If the bulk modulus of the liquid is 2 GPa , the initial volume of

JEE Main 2025 Solution View → 17

Two wires A and B are made of same material having ratio of lengths (L_A)/(L_B)=(1)/(3) and their diameters ratio (d_A)/(d_B)=2 . If both the wires are stretched using same force

JEE Main 2025 Solution View → 18

A cylindrical rod of length 1 m and radius 4 cm is mounted vertically. It is subjected to a shear force of 10^5 ~N at the top. Considering infinitesimally small displacement in

JEE Main 2025 Solution View → 19

Two slabs with square cross section of different materials (1,2) with equal sides (l) and thickness d_1 and d_2 such that d_2=2 ~d_1 and l d_2 . Considering lower edges of these

JEE Main 2025 Solution View → 20

A steel wire of length 2 m and Young's modulus 2.0 × 10^ 11 Nm^ -2 is stretched by a force. If Poisson ratio and transverse strain for the wire are 0.2 and 10^ -3 respectively

JEE Main 2025 Solution View → 21

The fractional compression \( ( Δ V V ) of water at the depth of 2.5 km below the sea level is ______ \(\%\). Given, the Bulk modulus of water \(=2 × 10^9 ~N ~m^ -2 , density of

JEE Main 2025 Solution View → 22

The volume contraction of a solid copper cube of edge length 10 cm , when subjected to a hydraulic pressure of 7 × 10^6 ~Pa , would be ____ mm^3 . (Given bulk modulus of copper

JEE Main 2025 Solution View → 23

The increase in pressure required to decrease the volume of a water sample by 0.2 \% is P × 10^5 Nm^ -2 . Bulk modulus of water is 2.15 × 10^9 Nm^ -2 . The value of P is ……

JEE Main 2025 Solution View → 24

Two persons pull a wire towards themselves. Each person exerts a force of 200 ~N on the wire. Young's modulus of the material of wire is 1 × 10^ 11 ~N ~m^ -2 . Original length of

JEE Main 2024 Solution View → 25

A wire of cross sectional area A, modulus of elasticity 2 × 10^ 11 Nm^ -2 and length 2 ~m is stretched between two vertical rigid supports. When a mass of 2 ~kg is suspended at

JEE Main 2024 Solution View → 26

Match List-I with List-II : -I -II (A) A force that restores an elastic body of unit area to its original state (I) Bulk modulus (B) Two equal and opposite forces parallel to

JEE Main 2024 Solution View → 27

The density and breaking stress of a wire are 6 × 10^4 ~kg / m^3 and 1.2 × 10^8 ~N / m^2 respectively. The wire is suspended from a rigid support on a planet where acceleration

JEE Main 2024 Solution View → 28

An elastic spring under tension of 3 ~N has a length a . Its length is b under tension 2 ~N . For its length (3 a-2 b) , the value of tension will be______ N .

JEE Main 2024 Solution View → 29

One end of a metal wire is fixed to a ceiling and a load of 2kg hangs from the other end. A similar wire is attached to the bottom of the load and another load of 1kg hangs from

JEE Main 2024 Solution View → 30

With rise in temperature, the Young's modulus of elasticity

JEE Main 2024 Solution View → 31

Two blocks of mass 2kg and 4kg are connected by a metal wire going over a smooth pulley as shown in figure. The radius of wire is 4 . 0 × 10 ^ - 5 m and Young's modulus of the

JEE Main 2024 Solution View → 32

The depth below the surface of sea to which a rubber ball be taken so as to decrease its volume by 0 . 02 % is _____ m . (Take density of sea water = 10 ^ 3 kg m ^ - 3 , Bulk

JEE Main 2024 Solution View → 33

Young's modules of material of a wire of length L and cross-sectional area A is Y . If the length of the wire is doubled and cross-sectional area is halved then Young's modules

JEE Main 2024 Solution View → 34

Each of three blocks P, Q and R shown in figure has a mass of 3kg . Each of the wire A and B has cross-sectional area 0 . 005 cm ^ 2 and Young's modulus 2 × 10 ^ 11 N m ^ - 2 .

JEE Main 2024 Solution View → 35

A wire of length L and radius r is clamped at one end. If its other end is pulled by a force F , its length increases by l . If the radius of the wire and the applied force both

JEE Main 2024 Solution View → 36

Two metallic wires P and Q have same volume and are made up of same material. If their area of cross sections are in the ratio 4: 1 and force F _ 1 is applied to P , an extension

JEE Main 2024 Solution View → 37

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A) : The property of body, by virtue of which it tends to

JEE Main 2024 Solution View → 38

If average depth of an ocean is 4000m and the bulk modulus of water is 2 × 10 ^ 9 N m ^ - 2 , then fractional compression ( )/(V) of water at the bottom of ocean is α × 10 ^ - 2 .

JEE Main 2024 Solution View → 39

A wire of length L and radius r is clamped rigidly at one end. When the other end of the wire is pulled by a force f , its length increases by l . Another wire of same material of

JEE Main 2023 Solution View → 40

Under isothermal condition, the pressure of a gas is given by P = a V ^ – 3 , where a is a constant and V is the volume of the gas. The bulk modulus at constant temperature is

JEE Main 2023 Solution View → 41

The elastic potential energy stored in a steel wire of length 20m stretched through 2cm is 80J . The cross sectional area of the wire is _____ mm ^ 2 . (Given, Y = 2 . 0 × 10 ^ 11

JEE Main 2023 Solution View → 42

The length of a wire becomes l _ 1 and l _ 2 when 100N and 120N tension are applied respectively. If 10 l _ 2 = 11 l _ 1 , then the natural length of wire will be (1)/(x) l _ 1 .

JEE Main 2023 Solution View → 43

Young’s moduli of the material of wires A and B are in the ratio of 1: 4 , while its area of cross sections are in the ratio of 1: 3 . If the same amount of load is applied

JEE Main 2023 Solution View → 44

Two wires each of radius 0 . 2cm and negligible mass, one made of steel and the other made of brass are loaded as shown in the figure. The elongation of the steel wire is ______

JEE Main 2023 Solution View → 45

An aluminium rod with Young’s modulus Y = 7 . 0 × 10 ^ 10 N m ^ - 2 undergoes elastic strain of 0 . 04 % . The energy per unit volume stored in the rod in SI unit

JEE Main 2023 Solution View → 46

A metal block of mass m is suspended from a rigid support through a metal wire of diameter 14mm . The tensile stress developed in the wire under equilibrium state is 7 × 10 ^ 5 N

JEE Main 2023 Solution View → 47

A steel rod has a radius of 20mm and a length of 2 . 0m . A force of 62 . 8kN stretches it along its length. Young's modulus of steel is 2 . 0 × 10 ^ 11 N m ^ - 2 . The

JEE Main 2023 Solution View → 48

The Young's modulus of a steel wire of length 6m and cross-sectional area 3 mm ^ 2 , is 2 × 11 ^ 11 N / m ^ 2 . The wire is suspended from its support on a given planet. A

JEE Main 2023 Solution View → 49

A certain pressure ' P ' is applied to 1 litre of water and 2 litre of a liquid separately. Water gets compressed to 0 . 01 % whereas the liquid gets compressed to 0 . 03

JEE Main 2023 Solution View → 50

Under the same load, wire A having length 5 . 0m and cross section 2 . 5 × 10 ^ - 5 m ^ 2 stretches uniformly by the same amount as another wire B of length 6 . 0m and a cross

JEE Main 2023 Solution View → 51

A force is applied to a steel wire A , rigidly clamped at one end. As a result elongation in the wire is 0 . 2mm . If same force is applied to another steel wire B of double the

JEE Main 2023 Solution View → 52

Choose the correct relationship between Poisson ratio (σ) , bulk modulus ( K ) and modulus of rigidity (η) of a given solid object:

JEE Main 2023 Solution View → 53

As shown in the figure, in an experiment to determine Young's modulus of a wire, the extension-load curve is plotted. The curve is a straight line passing through the origin

JEE Main 2023 Solution View → 54

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion (A) : Steel is used in the construction of buildings and bridges.

JEE Main 2023 Solution View → 55

A 100m long wire having cross-sectional area 6 . 25 × 10 ^ - 4 m ^ 2 and Young's modulus is 10 ^ 10 N m ^ - 2 is subjected to a load of 250N , then the elongation in the wire

JEE Main 2023 Solution View → 56

A metal wire of length 0 . 5m and cross-sectional area 10 ^ - 4 m ^ 2 has breaking stress 5 × 10 ^ 8 N m ^ - 2 . A block of 10kg is attached at one end of the string and is

JEE Main 2022 Solution View → 57

If the length of a wire is made double and radius is halved of its respective values. Then, the Young's modulus of the material of the wire will :

JEE Main 2022 Solution View → 58

A string of area of cross-section 4 mm ^ 2 and length 0 . 5 is connected with a rigid body of mass 2kg . The body is rotated in a vertical circular path of radius 0 . 5m . The

JEE Main 2022 Solution View → 59

The force required to stretch a wire of cross-section 1 cm ^ 2 to double its length will be : (Given Yong's modulus of the wire = 2 × 10 ^ 11 N m ^ - 2 )

JEE Main 2022 Solution View → 60

A steel wire of length 3 . 2m( Y _ S = 2 . 0 × 10 ^ 11 N m ^ - 2 ) and a copper wire of length 4 . 4m( Y _ C = 1 . 1 × 10 ^ 11 N m ^ - 2 ) , both of radius 1 . 4mm are connected

JEE Main 2022 Solution View → 61

In an experiment to determine the Young's modulus, steel wires of five different lengths ( 1, 2, 3, 4 and 5 ) but of same cross-section (2 mm ^ 2 ) were taken and curves

JEE Main 2022 Solution View → 62

A square aluminium (shear modulus is 25 × 10 ^ 9 Nm ^ - 2 ) slab of side 60cm and thickness 15cm is subjected to a shearing force (on its narrow face) of 18 . 0 × 10 ^ 4 N . The

JEE Main 2022 Solution View → 63

The area of cross section of the rope used to lift a load by a crane is 2 . 5 × 10 ^ - 4 m ^ 2 . The maximum lifting capacity of the crane is 10 metric tons. To increase the

JEE Main 2022 Solution View → 64

A uniform heavy rod of mass 20kg . Cross sectional area 0 . 4 m ^ 2 and length 20m is hanging from a fixed support. Neglecting the lateral contraction, the elongation in the rod

JEE Main 2022 Solution View → 65

A wire of length L and radius r is clamped rigidly at one end. When the other end of the wire is pulled by a force F , its length increases by 5cm . Another wire of the same

JEE Main 2022 Solution View → 66

A wire of length L is hanging from a fixed support. The length changes to L _ 1 and L _ 2 when masses 1kg and 2kg are suspended respectively from its free end. Then the value of L

JEE Main 2022 Solution View → 67

The elastic behaviour of material for linear stress and linear strain, is shown in the figure. The energy density for a linear strain of 5 × 10 ^ - 4 is _____ kJ m ^ - 3 . Assume

JEE Main 2022 Solution View → 68

The bulk modulus of a liquid is 3 × 10 ^ 10 Nm ^ - 2 . The pressure required to reduce the volume of liquid by 2 % is :

JEE Main 2022 Solution View → 69

Four identical hollow cylindrical columns of mild steel support a big structure of mass 50 × 10 ^ 3 kg . The inner and outer radii of each column are 50cm and 100cm respectively.

JEE Main 2021 Solution View → 70

A uniform heavy rod of weight 10kg ms ^ - 2 , cross-sectional area 100 cm ^ 2 and length 20cm is hanging from a fixed support. Young modulus of the material of the rod is 2 × 10 ^

JEE Main 2021 Solution View → 71

When a rubber ball is taken to a depth of _______ m in deep sea, its volume decreases by 0 . 5 % (The bulk modulus of rubber = 9 . 8 × 10 ^ 8 N m ^ - 2 Density of sea water = 10 ^

JEE Main 2021 Solution View → 72

Wires W _ 1 and W _ 2 are made of same material having the breaking stress of 1 . 25 × 10 ^ 9 N m ^ - 2 . W _ 1 and W _ 2 have cross-sectional area of 8 × 10 ^ - 7 m ^ 2 and 4 ×

JEE Main 2021 Solution View → 73

Two blocks of masses 3kg and 5kg are connected by a metal wire going over a smooth pulley. The breaking stress of the metal is (24)/(π) × 10 ^ 2 N m ^ - 2 . What is the minimum

JEE Main 2021 Solution View → 74

A stone of mass 20g is projected from a rubber catapult of length 0 . 1m and area of cross section 10 ^ - 6 m ^ 2 stretched by an amount 0 . 04m . The velocity of the projected

JEE Main 2021 Solution View → 75

Two wires of same length and radius are joined end to end and loaded. The Young's moduli of the materials of the two wires are Y _ 1 and Y _ 2 . The combination behaves as a

JEE Main 2021 Solution View → 76

The area of cross-section of a railway track is 0 . 01 m ^ 2 . The temperature variation is 10 ° C . Coefficient of linear expansion of material of track is 10 ^ - 5 C - 1 ∘ . The

JEE Main 2021 Solution View → 77

The length of a metal wire is ℓ _ 1 , when the tension in it is T _ 1 and is ℓ _ 2 when the tension is T _ 2 . The natural length of the wire is:

JEE Main 2021 Solution View → 78

The value of tension in a long thin metal wire has been changed from T _ 1 to T _ 2 . The lengths of the metal wire at two different values of tension T _ 1 and T _ 2 are ℓ _ 1

JEE Main 2021 Solution View → 79

Two separate wires A and B are stretched by 2mm and 4mm respectively, when they are subjected to a force of 2N . Assume that both the wires are made up of same material and the

JEE Main 2021 Solution View → 80

An object is located at 2km beneath the surface of the water. If the fractional compression ( )/(V) is 1 . 36 % , the ratio of hydraulic stress to the corresponding hydraulic

JEE Main 2021 Solution View → 81

The length of metallic wire is l _ 1 when tension in it is T _ 1 . It is l _ 2 when the tension is T _ 2 . The original length of the wire will be :

JEE Main 2021 Solution View → 82

The normal density of a material is ρ and its bulk modulus of elasticity is K . The magnitude of increase in density of material, when a pressure P is applied uniformly on all

JEE Main 2021 Solution View → 83

A uniform metallic wire is elongated by 0 . 04m when subjected to a linear force F . The elongation, if its length and diameter is doubled and subjected to the same force will be

JEE Main 2021 Solution View → 84

If Y, K and η are the values of Young's modulus, bulk modulus and modulus of rigidity of any material respectively. Choose the correct relation for these parameters.

JEE Main 2021 Solution View → 85

A cubical solid aluminum (bulkmodulus = - V(dP)/(dV) = 70GPa) block has an edge length of 1m on the surface of the earth. It is kept on the floor of a 5km deep ocean. Taking the

JEE Advanced 2020 Solution View → 86

A cube of metal is subjected to a hydrostatic pressure 4GPa . The percentage change in the length of the side of the cube is close to : (Given bulk modulus of metal, B = 8 × 10 ^

JEE Main 2020 Solution View → 87

A wire of density 9 × 10 ^ – 3 kg cm ^ – 3 is stretched between two clamps 1m apart. The resulting strain in the wire is 4 . 9 × 10 ^ – 4 . The lowest frequency of the transverse

JEE Main 2020 Solution View → 88

Two steel wires having same length are suspended from a ceiling under the same load. If the ratio of their energy stored per unit volume is 1: 4, the ratio of their diameters is:

JEE Main 2020 Solution View → 89

A body of mass m = 10kg is attached to one end of a wire of length 0.3m . What is the maximum angular speed (in rad s ^ - 1 ) with which it can be rotated about its other end in a

JEE Main 2020 Solution View → 90

Speed of a transverse wave on a straight wire (mass 6.0g, length 60cm and area of cross-section 1.0m m ^ 2 is 90 ms ^ - 1 . If the Young's modulus of wire is 16 × 10 ^ 11 N m

JEE Main 2020 Solution View → 91

Two metal strips are riveted together at their ends by four rivets, each of diameter 6mm . Assuming that each of the rivets carries one-quarter of the load, the maximum tension

NTA Abhyas JEE Main 2020 Solution View → 92

A solid sphere made out of metal having a bulk modulus of 2 × 10 ^ 11 Nm ^ - 2 is charged uniformly to a surface charge density σ = α ε _ 0 Cm ^ - 2 , where ε _ 0 is the

NTA Abhyas JEE Main 2020 Solution View → 93

A cube of aluminium of side 6cm is subjected to a tangential force such that the top face is shears through 0.012cm relative to the bottom face. The tangential force is k × 10 ^

NTA Abhyas JEE Main 2020 Solution View → 94

A stone of mass 1 . 3kg is being rotated in a horizontal plane as a conical pendulum with the help of a 140cm long aluminium wire of cross-sectional area 1 mm ^ 2 . The wire makes

NTA Abhyas JEE Main 2020 Solution View → 95

A uniform rod of length l is acted upon by a force F in a gravity-free region, as shown in the figure. If the area of cross-section of the rod is A and it's Young's modulus is Y

NTA Abhyas JEE Main 2020 Solution View → 96

A particular force F applied on a wire increases its length by 2 × 10 ^ - 3 m . If we were to increase the wire's length by 4 × 10 ^ - 3 m , then the applied force is nF . What is

NTA Abhyas JEE Main 2020 Solution View → 97

One of the square faces of a metal slab of side 50 cm and thickness 20 cm is rigidly fixed on a horizontal surface. If a tangential force of 30N is applied to the top face and it

NTA Abhyas JEE Main 2020 Solution View → 98

Two wires of the same material (Young's modulus Y ) and same length L but radii R and 2R respectively are joined end to end and a weight w is suspended from the combination as

NTA Abhyas JEE Main 2020 Solution View → 99

A thin rod of negligible mass and area of cross-section 4 × 10 ^ - 6 m ^ 2 , suspended vertically from one end, has a length of 0.5m at 100 ° C . The rod is cooled to 0 ° C but

NTA Abhyas JEE Main 2020 Solution View → 100

A wire fixed to the ceiling at one end is being pulled slowly by a force F at the other end.& If the change in length of the wire is l , then the work done by the force F & is

NTA Abhyas JEE Main 2020 Solution View → 101

The elastic limit of brass is 379 MPa. The minimum diameter of a brass rod if it is to support a 400N load without exceeding its elastic limit will be

NTA Abhyas JEE Main 2020 Solution View → 102

A heavy plank of mass 100 kg hangs on three vertical wires of equal length arranged symmetrically (see figure). All the wires have the same cross-section. The middle wire is of

NTA Abhyas JEE Main 2020 Solution View → 103

Two blocks of masses 5 kg and 10 kg are connected by a metal wire going over a smooth pulley as shown in the figure. The breaking stress of the metal wire is 2 × 10 ^ 9 Nm^ - 2 .

NTA Abhyas JEE Main 2020 Solution View → 104

A bottle has an opening of radius a and length b . A cork of length b and radius (a + ∆ a) ~where& (∆ a ≪ a) , is compressed to fit into the opening completely (see figure). If

NTA Abhyas JEE Main 2020 Solution View → 105

A wire suspended vertically from one of its ends is stretched by attaching a weight of 200N to the lower end. The weight stretches the wire by 1 mm. Then the elastic energy stored

NTA Abhyas JEE Main 2020 Solution View → 106

There is no change in the volume of a wire due to the change in its length on stretching. The Poisson's ratio of the material of the wire is

NTA Abhyas JEE Main 2020 Solution View → 107

A body of mass m = 10kg is attached to one end of a wire of length 0.3m . What is the maximum angular speed (in rad s ^ - 1 ) with which it can be rotated about its other end in a

NTA Abhyas JEE Main 2020 Solution View → 108

A steel rod is projecting out of a rigid wall. The shearing strength of steel is 345MNm^ - 2 . The dimensions AB = 5cm, BC = BE = 2cm . The maximum load that can be put on the

NTA Abhyas JEE Main 2020 Solution View → 109

The length of an elastic string is am when the tension is 4N , and ' bm when the tension is 5N . The length in metre when the tension is 9N , is

NTA Abhyas JEE Main 2020 Solution View → 110

The longitudinal stress in 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?

NTA Abhyas JEE Main 2020 Solution View → 111

A sphere of radius 0. 1m and mass 8 π kg is attached to the lower end of a steel wire of length 5. 0m & diameter 10 ^ - 3 m . The wire is suspended from 5. 22m high ceiling of a

NTA Abhyas JEE Main 2020 Solution View → 112

One end of a long metallic wire of length L is tied to the ceiling. The other end is tied to a massless spring of spring constant k . A mass m hangs freely from the free end of

NTA Abhyas JEE Main 2020 Solution View → 113

A rigid bar of mass 15 kg is supported symmetrically by three wires, each of length 2m . The wires at the endpoints are made of copper and the middle& one is made of steel. If the

NTA Abhyas JEE Main 2020 Solution View → 114

The pressure applied from all directions on a cube is p. How much its temperature should be raised to maintain the original volume? The volume elasticity of the cube is β and the

NTA Abhyas JEE Main 2020 Solution View → 115

The length of a metal wire is l _ 1 when the tension in it is T _ 1 and is l _ 2 when the tension is T _ 2 . The natural length of wire is

NTA Abhyas JEE Main 2020 Solution View → 116

A wire of cross-sectional area A is stretched horizontally between two clamps loaded at a distance 2l metres from each other. A weight w kg suspended from the midpoint of the

NTA Abhyas JEE Main 2020 Solution View → 117

When a metallic wire is held under a tensile force F _ 1 , the length of the wire is L _ 1 . If the force is changed to F _ 2 , the length of the wire is L _ 2 . The original

NTA Abhyas JEE Main 2020 Solution View → 118

A load of 31. 4kg is suspended from a wire of radius 10 ^ - 3 m and density 9 × 10 ^ 3 kgm^ - 3 . Calculate the change in temperature of the wire if 75 % of the stored elastic

NTA Abhyas JEE Main 2020 Solution View → 119

32g of O _ 2 _ is contained in a cubical container of side 1m and maintained at a temperature of 127 ° C . The isothermal bulk modulus of elasticity of the gas is (universal gas

NTA Abhyas JEE Main 2020 Solution View → 120

There is some change in length when a 33000N tensile force is applied on a steel rod of the area of cross-section 10 ^ - 3 m^ 2 . The change of temperature required to produce the

NTA Abhyas JEE Main 2020 Solution View →
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