State postulates of Special Theory of Relativity.

ANSWER : The special theory of relativity also known as the special relativity is a physical theory which states the relationship between space and time. This theory was originally proposed by Albert Einstein in the year 1905. This theory explains mass-energy equivalence, length contraction, universal speed limit, and relativity of simultaneity. It is ofter referred as STR Theory. It is based on the following two postulates, or fundamental assumptions, which form the foundation of this theory. They are :

1) The Principle of Relativity: This postulate states that the laws of physics are the same for all observers who are in uniform motion relative to each other. In other words, if you're in a spaceship moving at a constant speed, conducting experiments inside the ship will give you the same results as if you were on Earth. The laws of physics do not depend on how fast you are moving.

2) The Speed of Light is Constant: This postulate asserts that the speed of light in a vacuum, denoted by 'c,' is always the same, regardless of the motion of the source or the observer. This means that the speed of light is an absolute speed limit in the universe, and nothing can travel faster than it. Whether you're moving towards the light source or away from it, the speed of light will always appear the same to you.

It's important to note that the Special Theory of Relativity is a specialized theory that applies to objects moving at high speeds, close to the speed of light. For everyday situations at lower speeds, the classical laws of physics, as described by Sir Isaac Newton, work perfectly well. However, in extreme cases or when dealing with phenomena on very small scales, the Special Theory of Relativity becomes indispensable for accurate predictions and explanations.

Also Read : Define Areal Velocity.

Also Read : Write the value of classical radius of electron.

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