Lyophilic sols are stable sols while lyophobic sols are unstable and weak interaction force between the dispersion medium and dispersed phase,... View Article
Lyophilic sols are very stable, there are strong interaction forces between the dispersed phase and dispersion medium. These are strong sols and... View Article
The coagulating or flocculate capacity of an electrolyte increases with increase in charge is known as Hardy – Schulze law. Example 1: To... View Article
The reasons for the coagulation: By boiling: On boiling the sols dispersed phase particle aggregates together and neutralized leading to the... View Article
Formation of sol from the precipitate by the addition of electrolyte is known as peptization. While the conversion of a sol into a precipitate... View Article
When an unpolarised light is incident on air-glass interface and some of the light reflected back to medium, some of the light refracts through... View Article
When unpolarized light is incident on a transparent refracting medium, at a particular angle of incidence the reflected light and refracted light... View Article
The angle of incidence at which the reflected ray and refracted ray by transparent medium are mutually perpendicular each other, then the... View Article
Brewster’s law states that, the tangent of polarising angle of incidence to the transparent medium is equal to the refractive index of the... View Article
We know from Ray optics when a light is incident on the surface of transparent medium of refractive index (μ), some light gets reflected other... View Article
Displacement Current Maxwell’s modification, applied to the above situation, consists of considering a mathematical equivalent current to pierce... View Article
Let us consider a fundamentally different situation where a parallel-plate capacitor (A, B) is being charged as shown in Fig. If Q is the... View Article
A toroid or a toroidal coil or an anchor ring consists of a wire uniformly wound on a torus or a doughnut-shaped structure. A toroid can be... View Article
Answer: A solenoid is a common term for a wire coil used as an electromagnet. It also applies to any system that uses a solenoid to transform... View Article
Sign convention: Fold ur Right hand fingers along the integration path, then the erect thumb gives the +ve current direction. If no of current... View Article
In case of Electric field we used gauss’s law to calculate the electric field for highly symmetric charge distributions; a similar law exists in... View Article
Read the daily PIB update and stay up-to-date on current affairs for the UPSC exam. January 8th, 2020 PIB:- Download PDF Here TABLE OF CONTENTS... View Article
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 8th January 2020. Important news and views to... View Article
