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Surface Tension (S.T.) ⟶ Surface tension of a liquid defied as the force acting at slight angles to the surface along one c
Equipotential surface: Any surface that has same electric potential at every point on the surface of the conductor known as equipotential surface.
Electron Emmision-The liberation of electrons from the surface of a metal due to any reason is known as Electron Emission.
If we atke a piece
Applications of Gauss Law
Electric field due to an infinitely long straight charged wire:
Consider a thin infinitely
The molecules on the liquid surface experience net downward force. So to bring a molecule from the interior of the liquid to the free surface, some work is required to be done
The property of a liquid due to which its free surface tries to have minimum surface area and behaves as if it were under tension some what like a stretched elastic membrane i
(1) When mercury is split on a clean glass plate, it forms gl
Adsorption:- The phenomenon of attracting and retaining the molecules of a substance on the surface of a material (solid or liquid), resulting into a higher c
Properties of colloidal solutions:-
The main properties of the colloidal solutions are discussed below:-
Physical properties:-
(1) The oil and grease spots on clothes cannot be removed by pure water. On the other hand, when detergents (like soap) are added in water, the surface tension of water decrea
The maximum distance upto which the force of attraction between two molecules is appreciable is called molecular range (
Electrostatics properties of a conductor:
When placed in electrostatic field, the conductors shows the following properties:
Ne
Preparation of colloidal solutions:-
The Lyophoilic sols are prepared simply by mixing the dispersed phase in the dispersion medium.
Bu
Friction force is of two types.
a) Static&nbs
Acceleration Due to Gravity.
The force of attraction exerted by the earth on a body is called gravitational pull or gravity.
The acceler
Introduction
Everything in this universe
(1) Temperature : The surface tension of liquid decreases with rise of temperature. The surface tension of liquid is zero at its boiling point and it vanishes
The normal force exerted by liquid at rest on a given surface in contact with it is called thrust of liquid on that surface.
The normal force (or thrust) exerted by
Due to the property of surface tension a drop or bubble tries to contract and so compresses the matter enclosed. This in turn increases the internal pressure which prevents fu
(i) Boyle’s Law → “The volume of given mass of a gas is inversely proportional to its presence at constant temperature.&rdqu
(1) Formation of double bubble : If r1 and r2 are the radii of smaller and larger bubble and P0 is the atmospheric
Different types of Continuous Charge Distribution :
Volume Charge Distribution : it is charge distribution spread over a three dimensional volume or region V of space. Volume charge density at any point in this volume as the charge con
Whether the liquid will be in equilibrium in the form of a drop or it will spread out; depends on the relative strength of the force due to surface tension at the three interf
Particle nature of electromagnetic radiation
(Planck’s quantum theory)
Radiant energy is emit
Crushing and Grinding of the ore:- the ores occur in nature as huge lumps. They are broken to small pieces with the help of crushers and grinders. The p
Phylum : Annelida
Class : Oligochaeta
Order : Terricolar
# Refraction at convex spherical surface:
(a) When the object lies in the rarer medium and image formed is real:
Consid
Space Communication:- It refers to sending, receiving and processing of information through space. There are four odes of space communication.
Electric flux :
The electric flux through a given area held inside an electric field is the measure of the total number of electric lines of
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