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From Wikipedia:
The speed of light (usually denoted c) is a physical constant. Its value is exactly 299,792,458 metres per second
A nanosecond (ns) is one billionth of a second (10-9 s).
I think if you divide 299,792,458 by 1,000,000,000 you get 0.299792458 and that
0.299792458 metres, or approximately 29.98 centimetres, is the distance light will travel in a vacuum in 1 nanosecond.
This assumes that the information I have from Wikipedia is accurate and that the division and result above are correct and accurate.
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∙ 14y ago
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How does these two quantities determine the speed of light?
The distance in meters covered by light in one second is considered to determine the speed of light. Speed of light is 3*108m/s. The unit of speed of light is meters per second.
What is speed of light in air?
Speed of light in air: 298,925,574 meters per second.Speed of light in a vacuum: 299,792,458 meters per second.
What is the exact speed of light?
300,000 km/s The exact speed of light is 299,792,458 meters per second.
What is the speed of an electron traveling at 80 percent the speed of light?
80% of the speed of light in vacuum is 239,833,966.4 meters per second.
How fast is a light year in meters per second?
"Meters per second" is a proper and wonderful unit for speed, but there's no answer to that question, because a 'light-year' is not a speed. It's a distance, defined as the distance that light travels through vacuum in one year. Speed of light in vacuum . . . 299,792,458 meters per second Length of 1 light-year . . . . . 9.4605284 × 1015 meters
How many nanoseconds does it take light to travel 2.00 km in vacuum?
One 'rule of thumb' that many of us oldtime engineers carry in our decomposing mental toolboxes is: 1 foot = 1 nanosecond. Since you asked, I'll calculate it now, and see how close it is: Speed of light in vacuum = 299,792,458 meters per second. Use 1 meter = 3.28084 feet Speed of light = 983571000 feet per second. Speed of light = 0.98357+ foot per nanosecond "1 foot = 1 nanosecond" is within 1.65 percent of being accurate. 2.5 feet (in vacuum) takes 2.5418 nanoseconds (rounded)
How does these two quantities determine the speed of light?
The distance in meters covered by light in one second is considered to determine the speed of light. Speed of light is 3*108m/s. The unit of speed of light is meters per second.
How fast can the speed of light go?
Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.
What is nenosecond?
I assume you mean nanosecond. The prefix nano- means "one billionth of" or "multiplied by 10-9". So a nanosecond is 10-9 seconds or one billionth of a second. As the speed of light is 299 792 458 m/s, a nanosecond is the time a beam of light would take to travel 0.299 m or (essentially) 30 cm or 1 foot
What is the physical length of a nanosecond?
Speed of light in vacuum is approx 3 .0E+8 m/s (3.0x 10^8). This is the speed of propagation of an electromagnetic wave, slightly slower when confined to a cable or waveguide.So in a nanosecond a wave (or photon) travels 0.3 metres.http://staffweb.cms.gre.ac.uk/~k.mcmanus/
What is the speed for the speed of light?
299,792,458 meters per second.
The speed of light and the speed of sound?
The speed of air at 20 degrees Celsius is 343 meters per second. The speed of light is 299 792 458 meters per second.
What is the speed of light in meters for a vacuum?
299,792,458 meters per second.
What is speed of light in air?
Speed of light in air: 298,925,574 meters per second.Speed of light in a vacuum: 299,792,458 meters per second.
What is the exact speed of light?
300,000 km/s The exact speed of light is 299,792,458 meters per second.
What does the speed of light and the speed of sound travel through?
The speed of air at 20 degrees Celsius is 343 meters per second. The speed of light is 299 792 458 meters per second.
How slow can light go?
In some special substances, it was possible to slow the speed of light to just a few meters per second - incredibly slow compared to the speed of light in a vacuum.In some special substances, it was possible to slow the speed of light to just a few meters per second - incredibly slow compared to the speed of light in a vacuum.In some special substances, it was possible to slow the speed of light to just a few meters per second - incredibly slow compared to the speed of light in a vacuum.In some special substances, it was possible to slow the speed of light to just a few meters per second - incredibly slow compared to the speed of light in a vacuum.
