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# What is the ratio of speed of light in a vacuum to the speed of sound in air?

Updated: 10/18/2022

Wiki User

13y ago

In a rough, round figure? 930,000 to 1.

Sound travels roughly 1/5 of a mile per second in air.

Light travels 186,000 miles per second in a vacuum.

In five seconds sound travels one mile.

In five seconds, light travels 930,000 miles in a vacuum.

Wiki User

13y ago

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Q: What is the ratio of speed of light in a vacuum to the speed of sound in air?
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### Ratio of the speed of light in a vacuum to the speed of light in a material?

The index of refraction.

### The ratio of the speed of light in a medium to the speed of light in a vacuum is called its?

It is usually expressed the other way: the ratio of the speed of light in a vacuum to the speed of light in a medium. In that case, it is called the "index of refraction".

### What is the index of refraction?

The refractive index is the ratio of the speed of light in a vacuum to the speed of light in a medium.

### What is faster than a bullet?

* The speed of light in a vacuum, * The speed of sound,

### Relationship of the speed of light in a vacuum to the speed of light in a medium where it will pass through?

Refractive index is the ratio of speeds.

2 (no units)

### Compare the speed of light to the speed of sound?

Assuming you mean the speed of sound in air, the speed of light (in a vacuum) is about 800,000 times larger. However, sound has very different speeds, depending on the medium in which it travels.Assuming you mean the speed of sound in air, the speed of light (in a vacuum) is about 800,000 times larger. However, sound has very different speeds, depending on the medium in which it travels.Assuming you mean the speed of sound in air, the speed of light (in a vacuum) is about 800,000 times larger. However, sound has very different speeds, depending on the medium in which it travels.Assuming you mean the speed of sound in air, the speed of light (in a vacuum) is about 800,000 times larger. However, sound has very different speeds, depending on the medium in which it travels.

### Is the speed of sound equal to an electromagnetic wave?

No, speed of sound in air is much slower than the speed of light in vacuum.

### How many mach are in the speed of light?

The speed of light in vacuum is about 874 thousand timesthe speed of sound at sea level.

### Can the speed of sound travel faster than the speed of light?

No. Light in vacuum is roughly 880 thousand timesas fast as sound in air.

### How many times is speed of light compared to sound?

The speed of sound is the velocity of sound through a mechanical (elastic) medium. And the difference is between the speed of sound and light is that Light travel faster then the sound.Light traveling through vacuum is roughly 879 thousand timesfaster than sound traveling through air at sea level.

### Why is the speed of sound slower then the speed of light?

The sound needs a medium to be transported. Without that medium (vacuum) there is no sound. The sound is blocked by air mulecules. The light does not need a medium.