How will a light beam appear to another light beam.?

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In summary, the conversation discusses the possibility of a light beam being used to observe other objects and the implications of relativity equations on the aging and speed of light. It also suggests reading material for further understanding.
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aditya23456
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Consider a light beam has a mechanism,say by some unknown virtual particles like tachyon or etc(like we use light beam to observe other things)...Or some mechanism to observe other light beam,then will the other beam of light move at speed of light for it too.?
And also taking relativity equations into consideration,light beam is aged 0 seconds right.?since its interval of 1 sec(of massive body) is infinitely long.Is this right..?
Is this also right by relativity equation the ones with zero mass or infinite mass always traverses with speed of light
 
Physics news on Phys.org

1. What is the speed of light?

The speed of light in a vacuum is approximately 299,792,458 meters per second (m/s) or about 670,616,629 miles per hour (mph). This is the fastest speed at which energy and information can travel.

2. How does light travel?

Light travels in a straight line at a constant speed until it encounters an object or medium that causes it to bend, reflect, or scatter in a different direction. This is known as the principle of rectilinear propagation.

3. What is the electromagnetic spectrum?

The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation, including visible light. It is divided into different categories such as radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

4. How does a light beam appear to another light beam?

Since light travels at a constant speed, one light beam will always appear the same to another light beam. However, if the two light beams have different wavelengths or frequencies, they may appear different in color or intensity.

5. Can two light beams interact with each other?

Yes, under certain conditions, two light beams can interact with each other. This can occur through phenomena such as interference, diffraction, and scattering, which cause the light waves to combine and produce new patterns of light.

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