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Density of any substance is mass per unit volume. This concept is able to explain some phenomenan that occur around us. Learn about few density examples in this article. Density is a term that we use in our day to day life. The word density is not always used in a scientific sense the way we use in physics and chemistry. For example, if there … Continue reading Density examples from day to day life
This article is only about thermal conductivity formula and its usage in solving various problems. I have discussed thermal conductivity in detail while writing notes in a separate page. Use the link given below to get to know more about it. Thermal Conductivity The thermal conductivity of a solid is a measure of the ability of the solid to conduct heat through it. The formula … Continue reading Thermal conductivity formula
Insulators have very wide forbidden energy gap nearly of the order of 5eV or more.
Because of this very high energy gap it becomes impossible for electrons present in valence band to cross the gap and reach to the conduction band and this makes electrical conduction a practical impossibility in insulators at room temperature.
This page contains electrostatics class 12 board questions. These questions are related to class 12 physics chapter 1 : Electric charge and fields. This is kind of simulated board exam paper only for chapter 1. You need to finish this paper in 3 hours. Take this test after you are confident in first chapter of class 12 physics. General Instructions: Time allowed : 3 hours Maximum … Continue reading Electrostatics class 12 board questions (Electric charge and field)
So when there are few days left for your board exams , you might be thinking how to do well in physics Board exams or how do you memorise your physics formulas so that you can write all the answers that are asked in your exams easily. It is important to memorise physics formulas for exams because memorising them will increase your speed and by the end of the time you will be able to complete all your questions and still have time to revise and check for the mistakes in all of your paper.
Introduction to physics project for class 12 physics investigatory projects for class 12 carry 3 Marks in the Final Examination. Let us take a took at some important concept What is Science: Our knowledge of the natural world and the process through which that knowledge is built The process of science involves many layers of complexity, but the key points of that process are straightforward.There are … Continue reading Physics project for class 12
Some Points about Conservative forces and Non conservative forces
1) Potential energy are defined for Conservative forces
2) An object that starts at a given point and return to the same point,then
net workdone by the conservative force is zero while in case of non conservative force ,it will not be zero
In this article I would discuss what are free body diagrams and how to make one. Free body digrams are of immense importance when one want to study physics. You will find great deal of their usage while studying mechanics and tou can hey have equal inportance when it comes to other branches of physics. However i will discuss their usage and construction in context to mechanics.