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Q: How does the average speed of light in glass compare with its speed in a vacuum?
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How does the average speed of light glass compare with its speed in a vacuum?

About 2/3 its speed in a vacuum.


How does the average speed of light in glass compare with its speed in vacuum?

Depends on the refractive index of the medium itself


How does the speed of light in glass compare to the speed of light in a vacuum?

It will depend on the type of glass, and something called its refractive index. All materials have a refractive index which will effect the speed of the light through it. The speed of light through a vacuum is 3.0x10^8 m/s, and a material such as glass will be lower than this.


How does the average speed of light in glass compass with its speed in a vacuum?

There are several different types of glass, and light has a somewhat different speed in each of them. On the average, the speed of light across all typical types of glass is in the neighborhood of 2/3 its speed in vacuum, or around 200,000 km/sec .


How does the speed of light compare in water glass and diamond?

Speed of light in vacuum = ' c '-- Speed of light in Air . . 99.97% of ' c '.-- in Water . . . . . . . . 75% of ' c '.-- in Crown Glass . . . 64.9%-- in Flint Glass . . . . . 61.7%-- in Diamond . . . . . . 41.3%


Does the speed of light minimum in air or water or glass or vacuum?

glass


What travels the fastest sound in air rocket in space light in vacuum microwaves in glass?

light in a vacuum


How does light change speed from glass to air?

In glass, light will go somewhat slower than in a vacuum. Air is almost like a vacuum, with respect to the speed of light - some difference still exists, though.In glass, light will go somewhat slower than in a vacuum. Air is almost like a vacuum, with respect to the speed of light - some difference still exists, though.In glass, light will go somewhat slower than in a vacuum. Air is almost like a vacuum, with respect to the speed of light - some difference still exists, though.In glass, light will go somewhat slower than in a vacuum. Air is almost like a vacuum, with respect to the speed of light - some difference still exists, though.


Does light travel faster in glass then it does in a vacuum?

No, slower.


Light travels faster in glass than it does in a vacuum.?

No


Does a light travels faster in glass than it does in a vacuum?

No


Does light travel fastest in space in air in water or through glass?

Light's apparent speed is fastest definitely in a vacuum and slower in water or glass. Light in air behaves more like in a vacuum than in water or glass.