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What else can I help you with?
How does the speed of microwaves compare to the speed of visible light when measured in a vacuum?
They are equal.
What does the theory of special relativity say about the equivalence of different frames of reference?
It says that the speed of light in a vacuum measured in any inertial frame of reference is equivalent to the speed of light in a vacuum measured in any other inertial frame of reference.
How does the speed of light compare with the speed of gamma rays when both speeds are measured in a vacuum?
Same speed - light and gamma rays are both electromagnetic waves, but with different frequencies.
How do you know the speed of an electromagnetic wave in vacuum?
The speed of electromagnetic waves in a vacuum is the same as the speed of light (which is, in itself an electromagnetic wave). It can be measured by finding the frequency and wavelength of two different waves, and then by that correlation, the speed of the waveform.
Why is the speed of light limited in a vacuum?
The speed of light is not limited in a vacuum - the speed of light is fastest in a vacuum. But that is what Einstein called the "Cosmic Speed Limit" - nothing can move faster than the speed of light in a vacuum, or even quite asfast.
What is 299792458?
299,792,458 is the speed of light in a vacuum, measured in meters per second. It is a fundamental constant in physics and plays a crucial role in determining the structure of the universe and the behavior of light in various mediums.
Why does the speed of light vary?
The speed of light varies because the absolute speed of light "C" is measured in a vacuum. When light travels through air, it goes slightly slower. When light travels through denser mediums still, such as glass, the speed decreases further still.
How was the speed of light measured?
In light speed.
How do you know the speed of an electromagnetic wave in a vacuum?
The speed of electromagnetic waves in a vacuum is the same as the speed of light (which is, in itself an electromagnetic wave). It can be measured by finding the frequency and wavelength of two different waves, and then by that correlation, the speed of the waveform.
Does the speed of light change in a vacuum?
No, not as long as the light stays in vacuum.No, it does not. That is where it has its maximum speed.
How is the refractive index measured and what methods are commonly used for this measurement?
The refractive index is measured by comparing the speed of light in a vacuum to its speed in a material. Common methods for this measurement include using a refractometer, spectrometer, or interferometer.
What happens to frequency does the speed of light ever change?
The speed of light IN A VACUUM is always the same. In substances other than the vacuum, the speed of light is usually slower than in a vacuum.
