The theory of relativity explained with special and general relativity.

the theory of relativity explained with special and general relativity.

Understanding both sides of Einstein’s theory of relativity with the theory of relativity explained appears to be a beautiful experience. As a result, not only is change feasible in physics, but it has also strengthened human thinking and reasoning.

the theory of relativity explained
(Image credits : Pixabay)

 

Albert Einstein’s theory of relativity ushered in several improvements and break throughs in education, particularly in science. Even people who are not in the field have heard about Einstein. In this post, we will explore deeper into the theory of relativity and whether there is any evidence of it in the real world.

Albert Einstein rose to prominence as one of the world’s most famous personalities thanks to his theory of relativity, which revolutionised the world. It is not an exaggeration to state that it revolutionised the world, because Einstein’s theory eventually assisted humanity in solving the problems that arise in the cosmos. It also aids man in the discovery of new innovations. 

But, before delving into the theory of relativity explained, you need have a basic understanding of Einstein.

Who exactly is Albert Einstein?

When discussing the theory of relativity explained, the picture of Albert Einstein comes to mind, because we know he was a scientist who developed the theory of relativity. However, few individuals are likely to be aware of Einstein’s true identity.

Albert Einstein is a physicist of German origin. (14 March 1879). The University of Zurich alumni is claimed to have been brilliant in mathematics and physics since infancy. Since the age of 12, Einstein has been able to learn algebra, Pythagoras, and calculus. By the age of 14, he had also mastered integral and differential calculus.

Einstein’s superior intellect drew him closer to mathematics, physics, and philosophy. Even a Kantian artist whose work was intricate and difficult for the average person to grasp was so simple for the younger Einstein.

Over time, Einstein studied and engaged in the domains of mathematics and physics, which helped  the theory of relativity explained and influenced other scientists’ perspectives on existing ideas.

The principles of classical mechanics, as originally defined by Newton regarding the prediction of celestial body motion (determinism), are no longer applicable to the laws of the electromagnetic field, according to Einstein. This eventually led to the development of a special theory of relativity. This hypothesis evolved into the gravitational field, which led to the general theory of relativity.

As a prominent character in the realm of physics, Einstein left several scientific legacies in the shape of hypotheses that influenced others’ attitudes about physics and chemical education. Relativity is one of the most influential theories.

the theory of relativity explained

The exact relation to the motion of time with the rules of gravity by a geometric basis is the explanation of the theory of relativity. In which Einstein introduced the theory of relativity using Brown’s equations of motion to examine the effects of gravity, motion, and time, beginning with his explanation of the photoelectric effect.

How did the theory of relativity come to be discovered?

Since time immemorial, physicists have clung to Newton’s classical physics concepts, which discovered gravity and claimed that space and time are absolute. Later in the nineteenth century, however, a number of unexpected occurrences began to occur that could not be explained by Newton’s principles, such as when the planet Mercury began to orbit the Sun faster than previously estimated.

Then, in 1905, Albert Einstein proposed his theory of relativity, which violated the fundamental assumptions of classical physics, and this theory began to solve all the unusual issues that were in our nature at the time.

In his perspective, the speed of light and physical laws are absolute for all observers, whether moving or not. So, according to the theory of relativity, space and time may be folded.

Einstein proposed two sorts of relativity theories, the first special relativity and the second general relativity.

Special Relativity vs. General Relativity

The major distinction between general and special relativity is that general relativity is concerned with gravity and acceleration, whereas special relativity is concerned with motion and time. General relativity depicts the link between the observer and the acceleration, whereas special relativity depicts the relationship between the observer and the constant motion when the observer is in motion.

  Special relativity theory explanation

Relativity, as previously said, retains the absolute rules of physics as well as the speed of light, although space and time are relative. Einstein developed the special theory of relativity, which was founded on two postulates.

The first postulate is that physical laws are absolute, or that all stationary or inertial frames of reference have the same attributes. This states that the rules of physics have the same form in every stationary frame of reference (moving continuously or not moving at all).

Are you still perplexed? In one scenario, you are on the side of the highway when you notice your friend driving at 80 km/h. In frame of reference 1, i.e. from your perspective, your friend in the automobile is moving while you remain motionless. In frame of reference 2, on the other hand, what is happening is you while your companion is still in the automobile.

the special theory of relativity explained

The second postulate asserts that the speed of light is always constant, with a value of (c = 3 108 m/s), and that it is independent of the position of the light source and the observer.

A frame of reference, for example, contains two observers, one moving and one at rest. They both observed the same event. As a result, their perspectives on space and time diverge.

Of course, this is inversely proportionate to Newton’s law, which stipulates that space and time are always absolute. As a result, the special theory of relativity explained in causes various phenomena.

Dilation of time

The effect of time dilation is caused by the special theory of relativity, which posits that space and time are relative. The difference in speed between two observers in space and time causes time dilation.

Contractions that are lengthy

This prolonged contraction implies that the distance between the two measured sites can be reduced in relation to two comparably moving observers.

Relative weight

According to Einstein’s special theory of relativity, the mass of a moving item is larger than the mass of a stationary object.

And ,relative velocities

If the potential of a heavier mass is explained by relativistic mass. According to this relative momentum, when an item has mass, it also possesses velocity. In the context of the special theory of relativity, there is also the possibility of shifting momentum.

relative power

The product of mass and the square of absolute velocity is relative energy. It is feasible that energy and mass are the same in this relativistic energy. As a result, this temporal law is also known as Einstein’s law of mass-energy equivalence.

Have you thought about the theory of special relativity? Albert Einstein proposed the general theory of relativity in 1915, in addition to the special theory of relativity.

General theory of relativity explanation

In general relativity, Einstein answers the world’s queries about all natural events he observes, as well as in ordinary human activities. The rules of motion and time may be addressed using the same special relativity.

Albert Einstein sought to unite Newton’s theory of gravity with his own special theory of relativity after developing his special theory of relativity. With all of his tests failing repeatedly, Einstein finally discovered an amalgamation of the gravitational theory of relativity, known as the general theory of relativity.

Einstein defined gravity as a component of space and time in his general theory of relativity. Gravity does not just exist; it is the result of the bending of space and time caused by the presence of a mass.

As a result, this mass warps space and time, as well as things attracted near the source of the curve.

For example, if you set a handkerchief or piece of fabric on the floor, place the basketball in the centre of it. As a result of the ball, the fabric will form an arc.

the general theory of relativity explained
(Image credits : wikipedia.org)

 

As a result, if you position additional little items around the basketball, they will be drawn to the curve. This is referred to as gravity in Einstein’s theory of general relativity.

Surprisingly, this general theory of relativity has opened the door to our physics knowledge, allowing us to comprehend this huge and mysterious cosmos. Scientists were able to determine why Mercury rotates around the Sun quicker, with a shift of 43 arcseconds each century, using this idea.

Evidence for Relativity Theory

New findings have also supported Einstein’s idea. Some natural processes that occur in this world are finally receiving a more clear and unambiguous explanation.

the black  hole

Around 1915, a Schwarzschild scientist addressed the problem using Einstein’s field equations, which revealed that stars have a space-time geometry. This star’s density is likewise exceedingly high, owing to its extremely high gravity.

A star’s tremendous gravity can warp space-time, preventing all matter and light from escaping. Astronomers forecast the location of a high-gravity black hole by altering the composition of the material in the sky surrounding it.

The Big Bang Theory

Scientists anticipate that the universe originated as a highly dense and incredibly hot entity that eventually exploded, based on the general theory of relativity. This implies that our cosmos is contracting into tiny stuff and shifting back and forth.

Edwin Hubble, who discovered spiral nebulae in galaxies such as the Milky Way, verified this hypothesis. The nebula changes, moves, and expands.

GPS navigation system

The influence of Einstein’s theory of relativity on the world is the GPS, which is extremely precise in detecting distance and time estimations. The GPS system operates by employing satellites to relay data and information to signal capture stations on Earth, which are subsequently transmitted to GPS technology.

We can correctly estimate and compute location using GPS, which has a significant influence on transportation systems such as vehicles, trains, and planes.

Development of television 

The next technical advancement made possible by the theory of relativity was the development of a television capable of transmitting picture and sound broadcasts. Cathode rays, which transmit electrons to magnetic phosphors, are still used in tube or analogue televisions. The electrons on the television screen generate colour pixels at 30 percent the speed of light, allowing pictures to be formed.

Conclusion

Einstein’s relativity is a development of Sir Isaac Newton’s classical theory of physics. We know that gravity is caused by the presence of a mass large enough to bend space and time and bring things closer together.

As a result, the closer an item is to the source of curvature, the slower gravity and time become, and vice versa. This is why, in interstellar, one hour on Miller is equivalent to seven years on Earth.

Understanding physics allows us to make clear and predictable predictions about the universe’s past and future. Although relativity is only a minor component of the huge discipline of physics, we can comprehend what happens in everyday life and the world by understanding only one law of relativity.

What if you knew all there was to know about physics? Perhaps you can develop new theories similar to Newton’s and Einstein’s to explain the occurrences that remain unresolved. For example, the search for a bridge connecting relativity theory and quantum physics remains unanswered.

If the cosmos is a jigsaw, around 5% of our scientists have discovered a piece of the puzzle, one of which is through physics. So continuing to study science, whether it is science or other science, is a hint to finding answers to the universe’s incomplete riddle.

Because our attempts to comprehend the cosmos, no matter how tiny, can have a significant influence on future generations. The more we know, the higher our chances of living a better life. So, I hope you found my post on the theory of relativity explained useful!

Related Question – FAQ

What is the theory of relativity in one sentence?

The exact relation to the motion of time with the rules of gravity by a geometric basis is the explanation of the theory of relativity. In which Einstein introduced the theory of relativity using Brown’s equations of motion to examine the effects of gravity, motion, and time, beginning with his explanation of the photoelectric effect.


What is a simple example of relativity?

For example, if you set a handkerchief or piece of fabric on the floor, place the basketball in the centre of it. As a result of the ball, the fabric will form an arc.As a result, if you position additional little items around the basketball, they will be drawn to the curve. This is referred to as gravity in Einstein’s theory of general relativity.


What does Einstein’s theory of relativity tell us?

Einstein’s theory of relativity gives us the knowledge of the phenomena of the universe along with everyday events, the use of which we see the big clouds in our life, which has also been a means of evolution in human life, the theory of relativity has helped in human life. There has been a big change.


What is special theory of relativity in simple words?

special relativity depicts the relationship between the observer and the constant motion when the observer is in motion.


What are the two theories of relativity?

Einstein proposed two sorts of relativity theories, the first special relativity and the second general relativity.


Read More :- What is the Twin Star Theory? Detailed information of Twin Star Theory

Leave a Comment