What is Time in Physics?

What is Time in Physics?

In physics, the definition of time is simple— time is change, or the interval over which change occurs. It is impossible to know that time has passed unless something changes. The amount of time or change is calibrated by comparison with a standard. The SI unit for time is the second, abbreviated s.




The development of physics can be equated with progress.

At first, people understood the laws of optics and invented simple glasses so that those with poor vision could better navigate, read and write. And then microscopes appeared, with the help of which scientists made incredible discoveries in fields such as biology and medicine. And telescopes in which astronomers saw planets, stars and entire galaxies and were able to draw conclusions about the structure of the Universe. Each discovery in physics helps humanity to take a new step forward.

Okay, you say. But for all of the above, for all these discoveries and developments, there are physicists. That is, people who deliberately chose this particular science as their main profession. And what about the rest, and even the humanities? What is this knowledge for them, if you can just read the instructions for your phone and this will be enough to use it?

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