# Relativity Formula

## Relativity Formula

The relativity theory was developed by Albert Einstein. This theory was founded on the idea that all non-accelerating observers must obey the same physical laws. Additionally, it claims that the motion of every observer has no effect on the speed of light in a vacuum. This offers new ideas for space and time as well as the potential for a new framework for all of Physics. This hypothesis challenged centuries of scientific knowledge and provided physicists with a fresh perspective on space and time. Students need to focus on the derivation of the Relativity Formula. They need to understand each step involved in the Relativity Formula derivation.

Prior to the theory of special relativity, mass and energy were thought of as separate things. Additionally, any value could be assigned to a body’s resting energy. But according to special relativity, the energy of a body at rest is equal to mc2. As a result, each body with rest mass m has mc2 of “rest energy” that could be converted into other types of energy. Furthermore, if energy is released from the body as a result of such a conversion, the mass of the rest of the body is predicted to decrease by the mass-energy relation.

Ordinary chemical reactions convert rest energy to other forms of energy in this way, but nuclear reactions convert rest energy in much larger amounts. This is especially true for nuclear fusion reactions that turn hydrogen into helium, in which 0.7% of the hydrogen’s initial rest energy is changed into other types of energy. The energy released from hydrogen atoms’ rest energy when they fuse to form helium is what gives stars like the Sun their light.

### What is the Theory of Relativity?

Both space and time are fixed, according to Isaac Newton’s theory of relativity. However, the new picture painted by the theories of special relativity and general relativity In 1905, Einstein’s theory was put forth. It speaks of relative motion, especially that of objects moving at the speed of light.

At first, people thought that light was a type of wave, like sound, the ocean, or shock waves. In order to travel, it needs a medium. However, they thought that light waves might travel through the ether, a substance that permeates the universe but is less tangible than air, water, or ground.

According to the theory of special relativity, the velocity of one reference frame in relation to another determines length, time, momentum, and energy. For instance, a person inside a spacecraft that is travelling close to the speed of light will measure length, time, momentum, and energy in a different way than an observer outside the craft.

Gamma is the symbol for the formula that connects a value in one reference frame to a value in another. It is a term without units and is based on the velocity divided by the speed of light. The relativistic factor is represented by the value ℽ.

### Formula for Relativity:

It is important for students to learn the Relativity Formula. Students are advised to review the Relativity Formula regularly. It is possible to think of Newton’s law of universal gravitation, which defines classical gravity, as a general relativity prediction for the nearly flat spacetime geometry surrounding stationary mass distributions. However, some general relativity predictions go beyond Newton’s law of universal gravitation as it applies to classical Physics.

### Solved Examples for Relativity Formula

The topics covered in a chapter must be the sole focus of the student. The best approaches to problem-solving must be learned. By using the Extramarks website and mobile application, students will learn the best techniques for answering questions based on the Relativity Formula. Students should practice answering all of the crucial Relativity Formula questions. The Relativity Formula should be studied by them. Periodic revision of the Relativity Formula is also essential. The Relativity Formula will be easier for students to remember if they regularly practice the questions.