Viscocity
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361377 After terminal velocity is reached the acceleration of a body falling through a viscous fluid is :

1 Zero
2 \(g\)
3 Less than \(g\)
4 Greater than \(g\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361378 When a metallic sphere is dropped in a long column of a liquid, the motion of the sphere is opposed by the viscous force of the liquid. If the apparent weight of the sphere equals to the retarding forces on it, the sphere moves down with a velocity called

1 Critical velocity
2 Terminal velocity
3 Velocity gradient
4 Constant velocity
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361379 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:
supporting img

1 \(B\)
2 \(C\)
3 \(D\)
4 \(A\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361380 A small sphere falls from rest in a viscous liquid. Due to friction, heat is produced. The rate of production of heat depends on the radius as (At terminal velocity).

1 \(r^{5}\)
2 \(r^{2}\)
3 \(r^{4}\)
4 \(r^{3}\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361377 After terminal velocity is reached the acceleration of a body falling through a viscous fluid is :

1 Zero
2 \(g\)
3 Less than \(g\)
4 Greater than \(g\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361378 When a metallic sphere is dropped in a long column of a liquid, the motion of the sphere is opposed by the viscous force of the liquid. If the apparent weight of the sphere equals to the retarding forces on it, the sphere moves down with a velocity called

1 Critical velocity
2 Terminal velocity
3 Velocity gradient
4 Constant velocity
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361379 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:
supporting img

1 \(B\)
2 \(C\)
3 \(D\)
4 \(A\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361380 A small sphere falls from rest in a viscous liquid. Due to friction, heat is produced. The rate of production of heat depends on the radius as (At terminal velocity).

1 \(r^{5}\)
2 \(r^{2}\)
3 \(r^{4}\)
4 \(r^{3}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361377 After terminal velocity is reached the acceleration of a body falling through a viscous fluid is :

1 Zero
2 \(g\)
3 Less than \(g\)
4 Greater than \(g\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361378 When a metallic sphere is dropped in a long column of a liquid, the motion of the sphere is opposed by the viscous force of the liquid. If the apparent weight of the sphere equals to the retarding forces on it, the sphere moves down with a velocity called

1 Critical velocity
2 Terminal velocity
3 Velocity gradient
4 Constant velocity
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361379 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:
supporting img

1 \(B\)
2 \(C\)
3 \(D\)
4 \(A\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361380 A small sphere falls from rest in a viscous liquid. Due to friction, heat is produced. The rate of production of heat depends on the radius as (At terminal velocity).

1 \(r^{5}\)
2 \(r^{2}\)
3 \(r^{4}\)
4 \(r^{3}\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361377 After terminal velocity is reached the acceleration of a body falling through a viscous fluid is :

1 Zero
2 \(g\)
3 Less than \(g\)
4 Greater than \(g\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361378 When a metallic sphere is dropped in a long column of a liquid, the motion of the sphere is opposed by the viscous force of the liquid. If the apparent weight of the sphere equals to the retarding forces on it, the sphere moves down with a velocity called

1 Critical velocity
2 Terminal velocity
3 Velocity gradient
4 Constant velocity
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361379 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:
supporting img

1 \(B\)
2 \(C\)
3 \(D\)
4 \(A\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361380 A small sphere falls from rest in a viscous liquid. Due to friction, heat is produced. The rate of production of heat depends on the radius as (At terminal velocity).

1 \(r^{5}\)
2 \(r^{2}\)
3 \(r^{4}\)
4 \(r^{3}\)