The speed of light is different in different media; light travels more slowly in water than it does in air, for example.
The speed of light is always the same as long as it's traveling through the same medium. But its speed is different in different media, and those are all less than its speed in vacuum.
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There are a number of possible statements that are true.The speed of light in vacuum is approximately 299,792,458 metres per second.The speed of light in vacuum is the same as the speed of other electromagnetic radiation in vacuum.No massive can be accelerated to travel at the speed of light.
Gamma radiation is the fastest, as it is light. speed of gamma radiation = c (light speed) speed of beta radiation < c ( below light speed ) speed of alpha radiation < c/10 ( far below light speed )
When the speed of light in the two media is not the same.
no. speed of light is always constant . as long as the light stays in the same medium. the speed is generally slightly different in different media.
If in both the media light has the same speed
In reflection, the light waves travel within the same media and maintains the same speed but in refraction light waves travel through a different media and so their speed changes.
The speed of light is always the same as long as it's traveling through the same medium. But its speed is different in different media, and those are all less than its speed in vacuum.
The same people who supply the Optic Fibre should also have the convertor
The speed of light is different in different media; light travels more slowly in water than it does in air, for example.
The speed of light is always the same as long as it's traveling through the same medium. But its speed is different in different media, and those are all less than its speed in vacuum.
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The speed of light. The speed is the same, if the EM waves travel through empty space. In other media, like air or water, they are usually slower.
There are a number of possible statements that are true.The speed of light in vacuum is approximately 299,792,458 metres per second.The speed of light in vacuum is the same as the speed of other electromagnetic radiation in vacuum.No massive can be accelerated to travel at the speed of light.
Yes. All wavelengths of electromagnetic radiation travel at the same speed, at least through vacuum. There are some slight wavelength-dependent differences in some material media, but nothing substantial that you would notice.