UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 22nd January 2021. Important news and views to... View Article
According to Charles law, for a fixed mass of the gas at constant pressure the volume of the gas is proportional to the temperature. Kinetic... View Article
There are different types of slip rings. The making of these slip rings also differs for various models. The instructions to be followed for... View Article
Common salt (NaCl) is a neutral compound. Adding salt to vinegar will not change the pH of vinegar. Therefore, adding salt will not make vinegar... View Article
When the steam engine was invented. The horses were replaced by the steam engine in the mines. The owners of the mine used to ask how many horses... View Article
As the temperature of the water is decreased, molecules move closer to each other. The density of the water increases till the temperature... View Article
In 1924, French physicist Louis de Broglie suggested the idea that electrons could not only be described as a particle but also as waves. This... View Article
Apple juice is acidic and has a pH value between 3.5 to 4. There are many acids present in apple juice and the principal acid present in apple... View Article
PH value helps us determine if a substance is an acid or base. The pH value ranges from 0 to 14. If the pH value is between 0 to 7 then it is... View Article
Perfect diamagnetism or super diamagnetism is the phenomenon that happens at low temperatures. It is characterized by the absence of magnetic... View Article
In physics, the potential is the ability to do work. When any object is lifted from the floor by a person, work is done against the gravitational... View Article
In interference, the width of the fringe is independent of the fringe position. In Young’s double-slit experiment the formula for fringe width is... View Article
The equipotential surface is not at an equal distance because the electric field due to a charge is not constant. The electric field is inversely... View Article
At room temperature and pressure, most of the real gases are almost like ideal gases. None ideal gas behaviour is caused when the temperature is... View Article
The capillary effect of the liquid is decided by the contact angle. When the contact angle is less than 900 the liquid wets the surface. The... View Article
The electric field is the force experienced by the unit charge and the voltage is the potential energy per unit charge. The relation between... View Article
The theory of ionisation was introduced by Arrhenius. He said that acids are the substance that dissociates in water to form electrically charged... View Article
The Gibbs free energy depends on the concentration of the reactant and the product. The reason is that the movement of the molecules from the... View Article
The magnetic permeability of a material helps to determine the resistance of the material to the magnetic field or the degree to which the... View Article
The simplest form of motion is the motion in a straight line. The distance and displacement are the quantities used to determine the final... View Article
