⚡Chapter Practice
Properties of Matter — JEE Practice
105 practice questions across 5 topics. Filter by difficulty, solve topic-wise MCQs, and review detailed solutions.
5 Topics105 Questions
Elasticity(30 Qs)
easy (10)
Q1Hooke's law states that stress is proportional to:Q2Young's modulus is defined as:Q3The SI unit of stress is:Q4Strain is a:Q5The stress-strain curve for a ductile material shows a region of:Q6Hooke's law states that stress is proportional to strain within the:Q7Young's modulus has the dimension of:Q8Which material has the highest Young's modulus?Q9Bulk modulus is the ratio of:Q10Poisson's ratio is the ratio of:
medium (10)
Q1A wire of length L and area A is stretched by force F. If L is doubled and area is halved (same material), the extension for the same force becomes:Q2The elastic PE stored per unit volume is:Q3Bulk modulus is the ratio of:Q4The Poisson ratio is physically the ratio of:Q5Two wires of same material have lengths in ratio 1:2 and diameters in ratio 2:1. The ratio of extensions under same load is:Q6A wire of length L and cross-sectional area A is stretched by force F. The extension is ΔL. Young's modulus is:Q7Two wires of same material have lengths L and 2L, and diameters d and 2d. The ratio of their extensions under the same force is:Q8The compressibility of a material is:Q9The elastic energy stored per unit volume in a stretched wire is:Q10For an incompressible material, Poisson's ratio is:
hard (10)
Q1A uniform rod of mass m, length L, area A, Young's modulus Y hangs vertically from one end. The total extension due to its own weight is:Q2A wire of length L and radius r is stretched by a force F. The PE stored is:Q3If a rod of length L is compressed by ΔL, the energy stored per unit volume is:Q4A steel wire (Y = 2×10¹¹ Pa) of length 2 m and radius 1 mm supports a 100 kg mass. The extension is:Q5For an incompressible material, the Poisson ratio is:Q6A copper wire and a steel wire of same length and same extension have cross-sectional areas in the ratio 3:1. The ratio of Young's moduli (steel:copper) is:Q7A wire stretches by 1 mm under a load. If the wire is of half the radius and double the length, the extension under same load is:Q8An elastic rod of length L, area A, and Young's modulus Y is rotated about one end with angular velocity ω. The total extension is:Q9The breaking stress of a wire does not depend on:Q10The relationship between Y (Young's), B (Bulk), and η (Shear modulus) for isotropic materials is:
Fluid Mechanics(15 Qs)
easy (5)
Q1Pressure at a depth h in a fluid of density ρ is:Q2Pascal's law states that pressure applied to a confined fluid:Q3Archimedes principle states that the buoyant force equals:Q4An object floats in water with 3/4 of its volume submerged. Its density is:Q5A hydraulic press has pistons of area 10 cm² and 100 cm². A force of 10 N on the smaller piston produces a force on the larger piston of:
medium (5)
hard (5)
Q1A U-tube of cross section A has liquid of density ρ. If the liquid is displaced by x, the period of oscillation is:Q2A cylinder of radius R and length L (density ρ_c < ρ_w) floats vertically in water. When pushed down slightly, the time period is:Q3Water flows through a constriction in a pipe. If the pipe narrows from 4 cm to 2 cm diameter, the velocity ratio is:Q4A tank with a hole at height h from bottom is filled to height H. The range of the stream on the ground is:Q5A venturi meter has inlet area A₁ and throat area A₂. The volume flow rate is:
Surface Tension(30 Qs)
easy (10)
Q1Surface tension is the force per unit:Q2The SI unit of surface tension is:Q3Excess pressure inside a soap bubble of radius R is:Q4Capillary rise is due to:Q5Angle of contact for water-glass is:Q6Surface tension has the dimension of:Q7The excess pressure inside a soap bubble of radius R is:Q8A meniscus is concave when the liquid:Q9Capillary rise is given by h =:Q10The contact angle for mercury in a glass tube is:
medium (10)
Q1The height of liquid rise in a capillary tube of radius r is:Q2Two soap bubbles of radii r and R (r < R) coalesce. The radius of the resulting bubble (in vacuum) is:Q3Work done in blowing a soap bubble of radius R is:Q4If a capillary tube is dipped in mercury, the level inside:Q5The excess pressure inside a liquid drop of radius R and surface tension S is:Q6If a soap bubble of radius R₁ coalesces with one of radius R₂ to form a bubble of radius R, then (assuming isothermal process):Q7A drop of water breaks into n identical droplets. The work done against surface tension is:Q8The force needed to detach a circular ring of radius R from the surface of a liquid is:Q9If capillary tube radius is halved, the rise will:Q10Surface energy is numerically equal to:
hard (10)
Q1An air bubble of radius r is at depth h in water (surface tension S, density ρ). The radius at the surface assuming isothermal process:Q2The energy needed to break a liquid drop of radius R into n identical small drops is:Q3In a capillary tube of insufficient length l < h (where h = 2Scosθ/(ρgr)), the liquid:Q4Two soap bubbles of radii r₁ and r₂ are connected. Air flows from:Q5A thin film of liquid has thickness t and area A. If it is stretched to increase area by ΔA, the force needed is:Q6A capillary tube of insufficient length l (l < h, where h is normal capillary rise) is placed vertically in water. The water will:Q7The energy required to blow a soap bubble of radius R is:Q8Two soap bubbles of radii R₁ and R₂ (R₁ > R₂) are connected. Air will flow:Q9The angle of contact depends on:Q10A thin liquid film formed on a rectangular frame of width w is pulled by force F. The surface tension is:
Fluid Statics(15 Qs)
easy (5)
medium (5)
Q1A hydraulic press has piston areas A₁ and A₂ (A₂ > A₁). If force F₁ is applied on the smaller piston, force on larger piston is:Q2A cube of side L and density ρ_c floats in a liquid of density ρ_l. The depth submerged is:Q3A U-tube contains two immiscible liquids of densities ρ₁ and ρ₂. The heights in equilibrium satisfy:Q4The apparent weight of a body submerged in a fluid is:Q5A body of density 5000 kg/m³ is weighed in air (W₁) and water (W₂). W₁/W₂ equals:
hard (5)
Q1A balloon of volume V is submerged at depth h in water. When released, the net upward force on it is (mass of balloon = m):Q2A cylinder of height H, area A, and density ρ_c floats vertically in two layers: liquid 1 (density ρ₁, depth d₁) on top of liquid 2 (density ρ₂). The condition for equilibrium is:Q3An ice cube floats in water in a container. When the ice melts completely, the water level:Q4The gauge pressure at the bottom of a tank accelerating upward with acceleration a is:Q5A cylindrical vessel contains a liquid. When rotated with angular velocity ω, the surface becomes:
Fluid Dynamics(15 Qs)
easy (5)
medium (5)
Q1Water flows through a pipe of varying cross-section. Where the pipe narrows, the:Q2The terminal velocity of a sphere of radius r falling in a fluid of viscosity η is:Q3A venturi meter measures:Q4If the radius of a pipe is doubled, the rate of flow (using Poiseuille's law) becomes:Q5The coefficient of viscosity has the SI unit:
hard (5)
Q1Water flows out of a hole at the bottom of a tank of height H. The range of the water jet is maximum when the hole is at height:Q2The speed of efflux from a small hole at depth h below the surface of a liquid (Torricelli's theorem) is:Q3Two spheres of radii r and 2r fall through a viscous fluid. The ratio of their terminal velocities is:Q4A pitot tube on an aircraft measures:Q5Magnus effect occurs when:
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