What is the concept of time in the case of light

1 The special theory of relativity holds that the faster an object moves, the slower its own time passes.

Let the time experienced by the moving object be t, and the time experienced by the stationary object is t, then t:t = [1-(v·v c·c)] under the root number, where v is the speed of the object and c is the speed of light. If v is greater than c, then the ratio is negative, what does that mean?

At v=c, the ratio is infinity, which means that time has stopped. If the ratio is negative, then there will be a reversal of time.

However, there is an insurmountable obstacle to accelerating oneself beyond the speed of light: the special theory of relativity states that the mass of an object increases significantly when it moves close to the speed of light, and if the speed is equal to the speed of light, the mass is infinity. According to Newton's second law, it is necessary to use infinite force to increase the speed of an object with infinite mass.

Therefore, the speed of motion of any object cannot exceed the speed of light. Of course, this is only discussed within the scope of the theory of relativity, and if one day it is indeed proved that there is an object that is moving faster than the speed of light, then the theory of relativity will have to be revised.

Suppose there are two lights, one is a and the other is b, and both a and b move at the speed of light relative to point c, then a is 0 relative to b and the speed of light is relative to c, so we don't know what the speed of a is specifically, and no matter how clever the formula is, we can't calculate what his time is.

It's hard to say how you feel about photons. For people moving at the speed of light, all thoughts, including the concept of time, cannot exist. For, if a person could move at the speed of light, the way in which he could move would be difficult for us to know, and if he were to move in a scattered particle state, the concept would not arise during this journey; If he could travel in the complete form of human physiology, then because the movement of electrons in his body reached the limit, he would not be able to produce nerve reflexes, and he would not be able to form mental concepts.

Time is 0. No matter how fast the speed of light is, it can't move. Everything in the world is subject to time. Even the space is the same. After a long time, space will eventually be destroyed.

When an object moves close to the speed of light, its mass increases significantly? What is that added mass?

Just having a speed means that the time is indefinite, and if the time is uncertain, how can the speed be calculated?

For light, there is no time.

Time is the fairest for everyone, and light is no exception...

Time is eternal, and it is the witness of everything.

Time is absolutely fluid and relatively static.

Light does not move absolutely, because light is a photon beam, a type of radiation, and its motion in the vicinity of a high-density object is also affected by gravity.

The so-called black hole is because the density is too large, and the speed of light within the gravitational influence of the black hole is reduced to lower than the escape speed of the black hole, so the black hole does not emit light, just like you can't jump 10 meters above the ground, and the light can't fly out of the black hole.

To talk about relationships. The premise is that in our lives, the flow of the two cannot be changed. The speed of light in a vacuum is 300,000 kilometers per second, which can be understood as the light only takes more than eight minutes to travel from the sun to the earth. In most cases, we can think of the flow of light and the flow of time as the same thing.

Summary. Light has nothing to do with time itself, light is a substance, and time is just a unit of multidimensional space. The two are not to be equated.

Although there is light in a light year, a light year is only a unit of the universe, which is calculated by how long the light travels. Time, in a broad sense, exists as a unit in multidimensional space. Hours, minutes, seconds, milliseconds, subtlety, etc., are all units of time.

What does light have to do with time? Please tell us why you think it is relevant.

Hello, I have seen your question and am sorting out the answer, please wait a while Light has nothing to do with time itself, light is a substance, and time is just a unit of multidimensional space. The two cannot be equated. Although there is light in the light year, the light year is only a cosmic unit, and it is calculated by how long the light passes through.

Time, on the other hand, exists as a unit in a multidimensional space in a broad sense of the word. Hours, minutes, seconds, milliseconds, subtlety, etc., are all units of time.

For light years, the statement is wrong: ().

a.The light-year pre-mold is a unit of distance.

b.A light-year is a unit of time for repentant lead.

c.A light year is the distance that light travels in a year.

d.Light-years are larger than kilometers.

Correct answer: B

No, although the speed tends to slow down, it does not stop, but it is close to but not the same as stationary.

Only when the speed is close to the speed of light does the length shorten and the time expansion becomes very significant. The speed of light is usually fast, about 300,000 kilometers and seconds on Chinese New Year's Eve, far faster than the speed experienced by any human relative to a stationary observer.

I think from the perspective of light, time is not static, because light and time are completely two different concepts, so there is no way to compare them together, only in terms of speed, there is a relative static.

Yes, because rest is relative, and the speed of light is time, it is relatively static.

Have time to read my article "What is Light?" Why can't humans observe matter traveling faster than the speed of light? Does time stop or turn back time when an object reaches the speed of light and beyond the speed of light? 》…One click"The jasper orchid chasing stars in Lingjing Lake.

At the end of the day, what time is and what time means. Time refers to its concept, for example, what is a person, what is a fruit, what is a house, which all refers to its essence, nature, concept. Without an idea, you can't be sure what this is.

Fruits are the fruits of plants that contain more moisture. No one has ever eaten fruit, what does fruit taste like? Man is a kind of advanced animal, no one has seen a person, what you see is a specific person, Zhang San Li Si, and people are people are co-images, commonality, how can you see people!

Time is also the same principle, time is the common co-image of the movement and change of material things, how can you see time! They are all generalizations and abstractions. They are all sensual and non-existent, rational things, can we say that fruits do not exist, no!

But every time I saw it, I ate it. Here's the crux of the matter!

To answer this question, let's first think of ourselves as light, just looking at time, just like we always look at the ground with the naked eye, the ground only moves one millimeter at a time, but the naked eye can't tell at all, just looking at the time, of course, it's also forbidden!

Time does not stand still, but it stands still forever at this point. Anything that exists or does not exist cannot transcend and break through time.

The essence of time is the movement of matter, and it has nothing to do with light....

(The following is purely a personal opinion).

Light and time are not the same. Many people confuse light and time, and it may be that the time that people study today is the relative time that passes by the motion of objects, so if any object does not move, relative time (generally speaking, time as people know) may stand still, but "absolute time" does not stop. It does not change with the change in the motion of the object.

Relative time can be measured with an instrument, while absolute time cannot. Absolute time can also be divided into "subjective absolute time" and "objective absolute time". To put it bluntly, "subjective absolute time" is the "time" that people subjectively perceive, and it will not be reversed; And "objective absolute time" is the "eternal" time in the universe that does not stop.

Time will be relatively slow, but it will not stand still.

There's no time to be still.

No matter how fast light travels, it takes time, otherwise does the concept of speed still make sense? The denominator is zero?

When the speed of light is reached, the passage of time becomes slower and slower, gradually approaching a stop, and the concept of a light year is the distance that light travels. The two are fundamentally different. Not to be confused.

You must know that the market value of the so-called close to the speed of light and time close to stationary is just a theoretical concept. Because with the current level of science, it is impossible to get close to the speed of light.

The concept of time standing still near the speed of light refers to the fact that when approaching the speed of light, the scene that people see is unchanged, and to some extent, time is static, for example, when we press the pause button when we watch a TV series, the TV series will not go, but it does not mean that other times do not change, time is a whole and will not change because of a certain person.

Because time is close to the speed of light, it has no view of time. Then when the object is moving very fast, time seems to have a sense of slowness, and at such a fast speed, we can say that this time has stopped.

The concept of light year is a unit of distance and not a unit of time, because the concept of time encompasses both intangible and tangible matter, and when the object moves fast, this speed stops at this time, which can be understood in this way.

A light-year is a unit of length, which is the distance traveled by a sedan in a year.

1 light year = 300, stupid sail Li 000 * 365 * 24 * 3600 km.

9,460,800,000 km with a delay.

A light-year is not a unit of time, but a unit of length.

You yourself know that it is a unit of time, so why care about other people's opinions, be confident, light years are the unit of time.

It's bad to ask the physics teacher.

The light-year is a unit of length, which is a unit that measures the distance of light in a straight line for a year in the cosmic vacuum, and is generally used to measure the space-time distance between celestial bodies, which literally refers to the distance of light in a straight line in the cosmic vacuum for a year, which is 9 460 528 404 kilometers, which is calculated by time and the speed of light.

"Year" is a unit of time, but "light year" is not a unit of time, but a unit in astronomy that measures the distance between time and space of celestial bodies. The distance between celestial bodies in the universe is very far, far away, if we use meters and kilometers (kilometers) that we use in our daily life as the unit of measurement, then the number of measuring the distance of celestial bodies is often more than a dozen or dozens of digits, which is very inconvenient. So astronomers created a unit of measurement, the light-year, which is the distance that light travels in a vacuum in a year.

Distance = speed time, the speed of light is about 300,000 kilometers per second (299,792,458 meters per second), and 1 light year is 9 460 528 404 879