Trough vacuum, it'd be 2.997.924.562 metres/second;
Through air, it'd be 2.997.025.450 metres/second;
both round to 3.000.000.000 metres/second, or 300.000 kilometres/second.
The speed of light is significantly faster than the speed of sound in air. The speed of light in a vacuum is approximately 299,792 kilometers per second while the speed of sound in air is about 343 meters per second. This means that light travels almost a million times faster than sound through air.
The speed of light in vacuum is exactly 299.792,458 m / s The speed of light in air is roughly 299,702,458 m / s
About 0.00005seconds in air. The spee of light in air is nearly 300000km/s. So, time required will be 15/300000 seconds which is 0.00005.
Speed of light in air ~ speed of light in vavuum = 3,00 *10^8 m/s speed of sound in air ~ 330 m/s. Speed of light is faster than sound in air
An hot air balloon i think.
The speed of light is significantly faster than the speed of sound in air. The speed of light in a vacuum is approximately 299,792 kilometers per second while the speed of sound in air is about 343 meters per second. This means that light travels almost a million times faster than sound through air.
Yes it is true. If c is the speed of light in air then in water it will be 3/4 of c Hence refractive index of water = speed of light in air/speed of light in water So refractive index = 4/3 = 1.333
The light refracts due to the change in speed. The change in speed occurs because the light is travelling through a denser medium. So it will travel fastest through the air and slowest through the glass
The speed at which light travels through a substance such as air depends on its density, which in turn depends in part on temperature.
Yes, light moves slower through water than through air because water has a higher refractive index than air. This causes light to bend more when it enters water, resulting in a slower speed.
The speed of light in vacuum is exactly 299.792,458 m / s The speed of light in air is roughly 299,702,458 m / s
Light can travel faster through a vacuum than through air. In a vacuum, light travels at its maximum speed of about 299,792 kilometers per second. This is because there are no particles in a vacuum to slow down the light's speed.
About 0.00005seconds in air. The spee of light in air is nearly 300000km/s. So, time required will be 15/300000 seconds which is 0.00005.
299,792,458 meters/second
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.
Speed of light in air ~ speed of light in vavuum = 3,00 *10^8 m/s speed of sound in air ~ 330 m/s. Speed of light is faster than sound in air
Any electromagnetic wave that can propagate through water at all will do so at a lower speed than when it's in air.