An oil drop of mass m fall through a vis...

An oil drop of mass m fall through a viscous medium. The viscous drag force. `F` is proportional to the velocity of the drop . At the instant it begins to fall the force that acts on the oil drop is (neglect buoyancy)

`mg-F`

`F-mg`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ATOMIC PHYSICS
NARAYNA|Exercise LEVEL-I (C.W)|23 Videos
ATOMIC PHYSICS
NARAYNA|Exercise LEVEL-II (C.W)|16 Videos
ATOMIC PHYSICS
NARAYNA|Exercise LEVEL-II (H.W)|14 Videos
ALTERNATING CURRENT
NARAYNA|Exercise LEVEL - II(H.W)|13 Videos
ATOMS
NARAYNA|Exercise EXERCISE -4|47 Videos

Similar Questions

Explore conceptually related problems

An oil drop of mass m and falls through a medium that offers a viscous drag force. F. if the velocity of the drop is constant it means that

An object is moving through the liquid. The viscous damping force acting on it is proportional to the velocity. Then dimensions of constant of proportionality are

A spherical body of diameter D is falling in viscous medium. Its terminal velocity is proportional to

A spherical metal ball of mass m and radius (r ) is falling through a viscous medium. The value of its terminal velocity is proportional to

A liquid drop of mass m andradius r is falling from great height. Its velocity is proportional to

When a spherical body falls through a viscous fluid, it experiences a viscous force, the motion of the body is

If V is Velocity of oil drop , than according to stok's law, the viscous drag force on an oil drop is proportional to

What is the ac celeration of a body falling through a viscous medium after terminal velocity is reached?

An oil drop of mass m fall through air with a terminal velocity in the presence of upward electric field of intensity E . the drop carries a charge +q . R is the viscous drag force and f is the buoyancy force . Them for the motion of the drop.

A spherical ball falls through viscous medium with terminal velocity v . If this ball is replaced by another ball of the same mass but half the radius, then the terminal velocity will be (neglect the effect of buoyancy.)

NARAYNA-ATOMIC PHYSICS-C.U.Q

An oil drop of mass m and charge +q is balanced in vaccum by a uniform...
Text Solution
|
An oil drop of mass m and falls through a medium that offers a viscous...
Text Solution
|
An oil drop of mass m fall through a viscous medium. The viscous drag ...
Text Solution
|
An oil drop of mass m fall through air with a terminal velocity in the...
Text Solution
|
If gE and gM are the acceleration due to gravity on the surfaces of th...
Text Solution
|
In millikan's oil drop method, electron charge is accurately measured ...
Text Solution
|
In Millilan's experiment , the oil drop acquire charge by
Text Solution
|
If V is Velocity of oil drop , than according to stok's law, the visco...
Text Solution
|
An oil drop of radius r carrying a charge q remain stationary in the p...
Text Solution
|
The important conclusion given by millikan's experiment about the char...
Text Solution
|
Coulomb 's law correctly describe the electric force is that (pick the...
Text Solution
|
Is the probability of backward scattering (i.e. scattering of a-partic...
Text Solution
|
An electron with kinetic energy 5eV is incident on a hydrogen atom in ...
Text Solution
|
The angular momentum of the alpha- particles which are scattered throu...
Text Solution
|
The Incorrect statement regarding Rutherford's atomic model is
Text Solution
|
a-particles are
Text Solution
|
In scattering experiment , the force that scatters particles is
Text Solution
|
Bohr'satom model assumes
Text Solution
|
The rartio ("in" S 1 units) of magnetic dipole moment to that of the a...
Text Solution
|
The radius of hydrogen atom , when it is in its second excite state , ...
Text Solution
|