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The velocity of light in air is about 299,792 kilometers per second, while in water it is about 225,000 kilometers per second. This difference is due to the differing refractive indexes of air and water, which affects the speed at which light travels through these mediums.

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1y ago

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Related Questions

Does the air have the larges velocity of light?

The velocity of light is highest in a vaccum; slightly slower in air, and a LOT slower in water.


What happens to the velocity and wavelength of light when it passes from air into water?

The speed of the light decreases, and its wavelength increases by the same factor.


What is the velocity change when the ray of light passes from air to glass?

When a photon goes say from air to water, it slows down according to; n=c/v where n is refractive index of water c is velocity of light in air v is velocity of light in water It is stated that the frequency of the photon doesn't change when the photon enters the water. Only the wavelength changes.


Is the velocity of light higher in water or in air?

The velocity of light is higher in air than in water. In a vacuum, light travels at its maximum speed of approximately 299,792 kilometers per second, which decreases when it passes through a medium like air or water due to interactions with the medium's atoms and molecules.


What material has the greatest velocity of light?

air


Which factors affect the velocity of light?

The speed of light in a vacuum is constant. Otherwise, the speed of light will depend on what materials it travels through. For example, the speed of light in air is similar to the speed of light in a vacuum; in water, it is quite a bit slower.


Is terminal velocity the same in water as in air?

no


Explain why refractive index values of liquids are greater than one?

The velocity of light in a liquid sample is always less than the light in air The velocity of light in a liquid sample is always less than the light in air


Did velocity of sound is greater in water than in air?

Yes, the velocity of sound is greater in water than in air because water is denser than air, allowing sound waves to travel more quickly through it.


When a ray of light from air enters to glass what happens to velocity?

The velocity of light decreases when it enters glass due to its higher optical density compared to air. This causes the light ray to bend towards the normal line at the boundary between air and glass.


In which of the following materials is the velocity of light greatest A Air B Water C Crown glass D Fused quartz?

The velocity of light is greatest in fused quartz. The speed of light varies depending on the medium it travels through, with the highest speed occurring in materials that have low refractive indexes, such as fused quartz.


Why is the terminal velocity in water less than the terminal velocity in air?

More resistance, caused by a greater density.