# Short-Questions

Fast solutions for complex problems

## How do sound waves travel through different mediums?

Sound waves need to travel through a medium such as solids, liquids and gases. The sound waves move through each of these mediums by vibrating the molecules in the matter. This enables sound to travel much faster through a solid than a gas. Sound travels about four times faster and farther in water than it does in air.

Does sound travel faster in a tube?

Sound waves can be described by the wavelength and frequency of the waves. Sound travels more quickly through solids than through liquids and gases because the molecules of a solid are closer together and, therefore, can transmit the vibrations (energy) faster.

How does sound travel from one place to another place?

Sound travels in mechanical waves. A mechanical wave is a disturbance that moves and transports energy from one place to another through a medium. In sound, the disturbance is a vibrating object. And the medium can be any series of interconnected and interactive particles.

### How does a soundwave travel through the air?

The air is made up of many tiny particles. When sound is created, the air particles vibrate and collide with each other, causing the vibrations to pass between air particles. The vibrating particles pass the sound through to a person’s ear and vibrate the ear drum. Light travels much faster than sound through air.

What can sound not travel through?

space
Sound waves are travelling vibrations of particles in media such as air, water or metal. So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate.

At what temperature where sound travels the slowest?

At freezing (0º Celcius), sound travels through air at 331 meters per second (about 740 mph). But, at 20ºC, room temperature, sound travels at 343 meters per second (767 mph). Liquids: Sound travels faster in liquids than in gases because molecules are more tightly packed.

## Which metal has highest speed of sound?

Aluminum
Selected Sound Speeds in Metals

Metal Density (gm/cm3) Vl m/s
Aluminum, rolled 2.7 6420
Brass (70 Cu, 30 Zn) 8.6 4700
Steel, 347 stainless 7.9 5790

Why couldn’t you hear a ringing bell in a vacuum?

The solution is radio waves. Radio waves travel perfectly fine through a vacuum because they are a type of electromagnetic wave (light), and electromagnetic waves do not need a medium to travel through. Because of this vacuum, you can no longer hear the bell jingle until you allow air to enter the bottle.

What are the 3 types of sound?

Sound waves fall into three categories: longitudinal waves, mechanical waves, and pressure waves.

### Will sound travel in a vacuum?

Sound does not travel at all in space. The vacuum of outer space has essentially zero air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound. Radio is a form of electromagnetic radiation just like light and can therefore travel through the vacuum of space just fine.

Can sound travel in a vacuum?

IN SPACE, no one can hear you scream. Sound waves are travelling vibrations of particles in media such as air, water or metal. So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate.

Why do sound waves do not travel in a vacuum?

## How does the one way sound tunnel work?

(a) The two acoustic metamaterials have different groove patterns, which are positioned at different sides of the tunnel so that they affect the sound waves differently depending on which direction they’re coming from. (b) and (c) Photographs of the open tunnel. Credit: Zhu, et al. ©2015 AIP Publishing

How does sound travel through air and water?

For instance, when a train is moving on a railroad made up of steel, the sound waves thus produced travel via these tracks. At room temperature, sound travels through air with a speed of 343 m/s, through water at 1,482 m/s, and through steel at 5,960 m/s.

How are sound waves blocked in one direction?

The tunnel is completely open to light and heat, which can pass through in both directions, but sound waves are blocked in one direction due to acoustic metamaterials placed on the sides of the tunnel. The acoustic one-way tunnel has potential applications for anti-noise windows and vent ducts, as well as medical ultrasound.

### How does the transmission of sound take place?

Basically, there are three things that are required for the transmission of sound. They are: a source that can transmit the sound, a medium through which sound can pass (like, water, air, etc.), and the receiver or the detector which receives the sound. The traveling process of sound has been explained below.