Properties Of Solids And Liquids Questions

30 Practice QuestionsStart Practicing Now

[Easy]Water flowing through a horizontal pipe has a speed of 3 m/s in a section of cross-sectional area $6\,\text{cm}^2$. When the pipe widens to a cross-se...
[Medium]A soap bubble of radius 2 cm is blown using a soap solution whose surface tension is $0.03\,\text{N/m}$. What is the excess pressure inside this bubbl...
[Easy]A hot liquid kept in a room cools from $80^\circ\text{C}$ to $70^\circ\text{C}$ in 5 minutes while the surroundings stay at $30^\circ\text{C}$. Accord...
[Medium]A metal rod of length 0.5 m and uniform cross-sectional area $4\times10^{-4}\,\text{m}^2$ has its ends maintained at $100^\circ\text{C}$ and $0^\circ\...
[Medium]The top face of a rubber cube of side 10 cm is pushed sideways by a tangential force while the bottom face is fixed, producing a horizontal displaceme...
[Medium]A wooden block of density $600\,\text{kg/m}^3$ floats freely in water of density $1000\,\text{kg/m}^3$. What fraction of the block's total volume rema...
[Easy]A spherical raindrop of radius 1 mm forms in air, and the surface tension of water is $0.072\,\text{N/m}$. What is the excess pressure inside this dro...
[Medium]A 200 g iron block at $150^\circ\text{C}$ is dropped into 400 g of water at $20^\circ\text{C}$ in an insulated container. Taking the specific heat of ...
[Medium]A small steel ball falling vertically through a tall column of viscous oil eventually moves at constant speed. If a second ball of the same material b...
[Easy]In a hydraulic lift the small piston has an area of $5\,\text{cm}^2$ and the large piston an area of $250\,\text{cm}^2$. What downward force on the sm...
[Medium]Water flows steadily through a horizontal pipe that narrows from a wide section to a constriction. As the water passes from the broad part into the na...
[Easy]Among water, steel, rubber and an ideal gas at fixed temperature, which substance is expected to have the largest compressibility, meaning it changes ...
[Easy]A metal railway track is 50 m long at $20^\circ\text{C}$ and the coefficient of linear expansion of the metal is $1.2\times10^{-5}\,/^\circ\text{C}$. ...
[Medium]Water rises to a height of 6 cm in a narrow glass capillary tube dipped vertically into a beaker. If a second tube of half this internal radius is use...
[Medium]A solid sphere is taken to an ocean depth where the pressure exceeds the surface value by $2\times10^{7}\,\text{Pa}$. If the bulk modulus of the spher...
[Medium]Bernoulli's equation expresses conservation of:...
[Hard]For incompressible steady flow, product A v is constant along streamline. This is conservation of:...
[Easy]Magnitude of buoyant force equals weight of:...
[Easy]Pressure at depth h in fluid density ρ (neglect variation) is:...
[Hard]Terminal velocity v_t of sphere radius r falling in viscous medium (density difference Δρ) is proportional to:...
[Medium]Drag force on small sphere in laminar flow is proportional to:...
[Easy]Viscosity coefficient η SI unit is:...
[Easy]Stress is defined as:...
[Medium]Height of capillary rise h is inversely proportional to:...
[Easy]Surface tension has SI units of:...
[Easy]Poisson's ratio is ratio of:...
[Medium]Shear modulus G relates:...
[Medium]Bulk modulus K represents resistance to:...
[Easy]Young's modulus Y is defined as:...
[Easy]In the context of elasticity, strain is defined as the ratio of which two quantities?...