β Expected / Important Questions
Mechanical Properties of Fluids
The SI unit of coefficient of viscosity ($\neta$) is:
How does the terminal velocity ($v_t$) of a small spherical body falling through a viscous fluid depend on its radius ($r$)?
Bernoulli's theorem is based on the law of conservation of:
A Venturimeter is a device used to measure:
According to Stokes' Law, the viscous force ($F$) acting on a sphere of radius $r$ moving with velocity $v$ in a fluid of viscosity $\neta$ is given by:
The velocity of efflux ($v$) of a liquid through an orifice at depth $h$ below the free surface is given by Torricelli's law as:
Two rain drops reach the earth with terminal velocities in the ratio $1 : 4$. What is the ratio of their radii?
Dynamic lift on an aeroplane wing is explained on the basis of: