Biography, Science, Technology, Health, History Blogs

Stephen's Law and Its Significance in Astrophysics It is a fundamental law of physics that describes the intensity of thermal radiation emitted by matter in terms of its temperature. The law states that the total energy radiated per unit surface area of a black body across all wavelengths per unit time is directly proportional to the fourth power of the black body’s thermodynamic temperature.  Professor Cheiro Prophecies about India : Kiro made these amazing predictions for India Mathematical form of Stephen's law The formula for the Stephen's law is:                L = AơT 4 L = brightness of the star. Lightness in reality is a measure of total yield by a star. This rule is also called the Stefan Volzmann Rule. Our objective is to understand the basic principle behind this rule, so we start from the empty slate. Where P is the power radiated, A is the surface area of the black body, T is the temperature of the black...

List of major branches of physics The term physics is derived from the Greek language Phusika , which means that the process The process and views are studied in it. But in the modern definition of physics , the relationship between energy and matter and their relationship is studied. Let us tell you that Newton and Einstein are considered to be the father of physics . Let's study about the list of major branches of physics in this article. branches of physics Physics is divided into two main parts: 1. Uncategorized Physics 2. Modern Physics Let us discuss these 2 main branches of Physics in detail. 1. Uncategorized Physics Physics up to 1900 AD is considered to be the ultimate Physics . Its main subdivisions are as follows : A . Mechanics : In this, the speed of objects running with the following moves is studied in relation to properties of matter and light. B. Optics : All incidents related to light and its production, transmission and detection a...

Use of magnetic fields The natural magnet is a stone found in the process, which attracts small fragments of iron. This stone is the iron oxide (Fe3O4). There is no definite omission of it. use of magnetic fields Some substances can be made magnetically by artificial methods, such as iron, steel, cobalt, etc. These are called artificial magnet. They have different oscillations like Ghondalal magnet, magnetic needle etc. Do you know that the power to attract their iron pieces is far more than the natural magnets. Hence the area around the magnet and in which the effect of magnet can be experienced is called the magnetic field . Magnetic Susceptibility is the physical amount that explains how easily a substance absorbs magnetism. By using magnetic force, materials such as iron, aluminum etc. can be magnetized. Let's study about the use of the magnetic field how to use  magnetic fields 1. We all know that the oldest use of magnet was done to know the ...

What is Physics? Physics  is that branch of science which deals with the study of the phenomena of nature. The word " physics ' itself is derived from a Greek word meaning nature. Know major branches of physics What do you understand by the word 'science'? A systematic knowledge collected through experimental observation of the natural events is known as science. What do you mean by physical word? Universe or physical world implies the collection of living or non living objects around us. Scope and excitement of  physics A)   Physics  deals with a wide variety of fields such as mechanics, sound, electricity, magnetism, optics, modern  physics  etc. Through there is great diversity in the fields but there is much similarity I the concepts, principles and methods of analysis used in these fields. Read Also:  Example of current electricity B) The field of mechanics deals with the study of the properties and laws of solids, ...