Class 11

Mechanical energy Introduction The phrase “energy” refers to a person’s capacity to function. Mechanical energy, potential energy, chemical energy, kinetic energy, thermal energy, solar energy, and other energy types. Let us take a closer look at the conservation of mechanical energy under this post. Definition of mechanical energy The total possible energy and dynamic energy […]

Before special relativity, mass and energy were considered separate things in theoretical approaches. The mass-energy relation, E = mc2, is an equation in Albert Einstein’s special relativity theory that states that mass and energy are the same physical objects that may be converted into one another. The energy (E) of a body is equal to

Before special relativity, mass and energy were considered separate things in theoretical approaches. The mass-energy relation, E = mc2, is an equation in Albert Einstein’s particular relativity theory that states that mass and energy are the same and that they may be converted into one another. The kinetic energy (E) of a body is equal

As per the  law of conservation of energy, the states of energy cannot be created or destroyed, but they can only be changed from one form to another. It is an important physical law in chemistry, used in multiple applications. Energy is vital for doing work, and in living organisms, energy is provided by sunlight.

A heat engine is a machine that transforms thermal energy into mechanical work. Internal combustion engines, jet engines and steam turbines are some examples of heat engines. Heat is used by all of these engines to produce useful mechanical work. In this article, we will explore the heat engine efficiency and questions related to heat

Introduction The nucleus of an atom splits into two lighter nuclei during nuclear fission. In some cases, the process occurs spontaneously, while in others, it is induced by excitation of the nucleus with a variety of particles (e.g., neutrons, protons, deuterons, or alpha particles) or electromagnetic radiation in the form of gamma rays. A large

Ventilation systems let warm air out of a building. Exhaust air heat pumps pick up the warm air, and heat fresh air coming into the building, or even heat water. Exhaust air heat pumps can be used to heat water, and heat houses or apartments. They work in the same way as air and ground

Dissipation of energy involves how energy is wasted in a reaction or transformation. A form of energy that is not transferred or converted to useful energy is considered wasted because it is lost and dissipated to the surroundings. As we know, no system is perfect. When a system changes, energy is dissipated. This dissipated energy

Introduction We know from the law of conservation of energy in a closed system, that is a system which is isolated from its surroundings, the total energy of a system is always conserved.” The conservative force obeys the law of conservation of energy. Conservative and non – conservative forces are the two types of forces.

Using an air-source heat pump, heating and cooling your house is a great idea. It can give up to three times more thermal energy to a home than it takes in through electricity. It’s possible because a heat pump moves heat instead of making it from fuel, unlike a combustion heater. Air-source heat pumps have