Gustav Robert Kirchhoff was a German physicist who contributed to the basic understanding of spectroscopy, electrical circuits, and the... View Article
Pure acids in the liquid state are exceedingly poor conductors of electricity. The fact that aqueous solutions of acids conduct electricity is... View Article
In chemistry and physics, the exchange interaction is a quantum mechanical effect that only occurs between identical particles. Exchange energy... View Article
Answer: Speed of a body cannot be negative because speed is a scalar quantity. Speed is given as: Speed = Distance travelled/Time taken... View Article
The term 'wind energy' as a system of components that converts the kinetic energy of the wind into electricity or mechanical power, and which... View Article
Cyclic hydrocarbons are carbon chains in a ring structure. They may contain multiple carbon atoms and may have single, double or triple bonds.... View Article
Following are the three examples exhibiting inertia in our daily life: It is the inertia which is responsible for the ketchup to reach the... View Article
Following are the demerits of the chemical equation: The concentration of reactants and products are unknown. The physical states such as... View Article
The process of combustion is probably the longest standing natural as well as man-made process that converts combustible fossil and biofuels into... View Article
A parabolic mirror is a specially designed mirror so as to capture and focus energy onto a single point. They are also used for distributing the... View Article
Answer: The electrolysis is defined as the process by which ionic substances are decomposed into simpler substances when an electric current is... View Article
The word kinetic means motion. When a body is in motion it possesses kinetic energy. The kinetic energy of a moving body is equal to the amount... View Article
Answer: Evaporation is the process in which a liquid state of matter (water) is converted into a gaseous state of matter (vapour). In general... View Article
Answer: Respiration is a very special form of burning fuel. It involves the burning of sugar with oxygen within the cells of every living... View Article
We all might have heard about force. We use the word force daily, and force has become a common word rather than a scientific word. So let us... View Article
The theory of relativity is that physical theory which is based on a consistent physical interpretation of these three concepts. The name 'theory... View Article
The melting point of an alloy is significantly higher than a pure metal because of its high resistivity. When the temperature is high, alloys do... View Article
Resistance is defined as the opposition to the flow of electrical current through a conductor. The resistance of an electric circuit can be... View Article
We have different units for the same physical quantity because these units were used in different parts of the world. Every country had its own... View Article
Dimensional analysis is one of the important concepts that help us to solve numerical problems Physics. It is important to keep all the units... View Article
