# Readers ask: Why Does Sound Travel Faster In Water Than Air?

## Does sound travel faster through water than air?

While sound moves at a much faster speed in the water than in air, the distance that sound waves travel is primarily dependent upon ocean temperature and pressure. This causes the speed of sound to increase and makes the sound waves refract upward.

## How much faster does sound travel underwater than in air?

Sound travels faster in water than in air. The speed of sound in air under typical conditions is about 343 meters per second, while the speed of sound in water is about 1,480 meters per second.

## Can humans hear underwater?

Sound that’s generated underwater stays underwater; very little sound passes from water to air. When your head is out of the water and you listen to a sound made underwater, you don’t hear much. But when you’re under water, the sound travels so fast that it reaches both ears at almost the same time.

## Does light travel faster in water or air?

Because of the physical differences in the makeup of the materials light actually travels slower through water and glass. Speed of light in a vacuum and air = 300 million m/s or 273,400 mph. Speed of light in water = 226 million m/s or 205,600 mph.

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## Is sound louder in water?

Sound travels faster in water compared with air because water particles are packed in more densely. Thus, the energy the sound waves carry is transported faster. This should make the sound appear louder.

## Can you hear music underwater?

You’ll be able to hear it clear as a bell from hundreds of feet away. Sound needs a medium to travel through (that’s why in the vacuum of space, no one can hear you scream), and sound moves four times faster through water than it does air. [Sound underwater] doesn’t really travel through your eardrums.

## Can sound pass through air?

Sound needs something to travel through; matter, air, liquid, solid wood. 5. Sound travels through air at 1,120 feet (340 meters) per second.

## Why can’t humans speak underwater?

Unfortunately, human beings are unable to hear and decipher lower frequencies because those sound waves require the small ossicles bones. Sound waves cannot tell the difference between your body and the water around you, therefore it travels until it hits something else to vibrate – like your skull.

## Why can’t humans hear high frequencies?

High-frequency hearing loss occurs when the tiny hair-like sensory hearing cells in your cochlea (inner ear) are damaged. These hair cells, known as stereocilia, are responsible for translating the sounds your ears collect into electrical impulses, which your brain eventually interprets as recognizable sound.

## Can humans hear dolphins underwater?

Dolphin’s have much better hearing than humans, 7 times better in fact. They can hear a wider range of frequencies and ultrasounds (high frequency) exceptionally well. A dolphin’s hearing range is from about 20 Hz to 150 kHz. Dolphins also use sound to communicate underwater.

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## Why light travels fastest in water?

A medium having a higher refractive index is called an optically denser medium, a medium which is having a lower refractive index is called an optically rarer medium. So from these values, it is clear that the refractive index of water is lower than any refractive index. So light will travel faster in water.

## Why does light travel fastest in air?

Light travels faster than sound even in water. If you are asking why sound is slower when it is in air than water, and why light is faster in air than in water, here is why: Light waves are electromagnetic transversal waves. They can travel through a vacuum and any particles they contact slow them down.

## Which light travels the fastest?

Violet travels the slowest so it is on the bottom and red travels the fastest so is on the top. This is because what is called the index of refraction, (the ratio of the speed of light in a vacuum to the speed of light in a material), is increased for the slower moving waves (i.e. violet).