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What is the pressure of a sound on an ear drum?
The sound pressure wave is travelling down the ear canal, hits the area of the eardrum, which vibrates ... just like a drum! Sound pressure p = force F divided by area A.
What is called when a wave hits the earths surface?
When a wave hits the Earth's surface, it is commonly referred to as "wave propagation" or "wave interaction." In the context of ocean waves, this phenomenon can also be described as "wave breaking," where the energy of the wave is transferred to the shoreline, causing it to crash and create surf. In seismology, when seismic waves reach the Earth's surface, it is termed "ground shaking."
What is the upper part of the wavelength called?
The upper part of a wave is called the crest. It represents the highest point of the wave above the rest position.
The part of a wave where molecules are pressed close together is under?
The part of a wave where molecules are pressed close together is called compression. This is an area of high pressure in the wave where the particles are densely packed.
What happens to the ear drum when a sound hit's it?
Basically the ear drum vibrates and causes the three small bones in your ear to vibrate. The vibration of the last bone causes vibration on the oval window of the Cholea, the oval window vibrations cause the fluid within the semi circular canal to travel back and forwards over the basilar membrane. This is linked to neurones which take the information of which frequency you are hearing to the brain. So the vibration frequency of the ear drum depends on what pitch of sound you hear so the best thing to say would be. The frequency of vibrations increases with high pitched sounds and decreased with low pitched sounds.
What part of the longitudinal wave hits the eardrum?
The compressions and rarefactions of the longitudinal wave hit the eardrum. The compressions correspond to the increased air pressure while the rarefactions correspond to the decreased air pressure, together creating the sound wave that reaches the eardrum.
What happens when a sound wave hits a small thin membrane?
When a sound wave hits a small thin membrane, the membrane will vibrate in response to the varying pressure of the sound wave. This vibration will produce sound waves on the other side of the membrane, essentially transmitting the original sound.
What part of the ear vibrates when sound waves strike it?
The sound waves come through the auditory canal and hit the eardrum (or tympanic membrane). The eardrum is connected to the 3 ossicles of the middle ear: the hammer, anvil and stirrup (or malleus, incus and stapes). The eardrum vibrates the hammer, the hammer vibrates the anvil, the anvil vibrates the stirrup and the stirrup vibrates the cochlea in the inner ear which has hair-like nerve endings called cilia that move when the cochlea vibrates. The auditory nerve sends the vibrations to the brain to be interpreted. That's how we hear! :)
The loudness of a sound is the wave?
The loudness of a sound wave is proportional to the amplitude of the wave, which is to say, the size of the vibration.
What is the pressure of a sound on an ear drum?
The sound pressure wave is travelling down the ear canal, hits the area of the eardrum, which vibrates ... just like a drum! Sound pressure p = force F divided by area A.
Distinguish between a primary wave and a secondary wave?
A primary wave is a strong vibration or wave that hits earths surface (P) and a secondary wave (S) is a wave that hits soon after but not nearly as big.
How might an excessive loud sound burst your eardrum?
An excessive loud sound, such as an explosion or gunshot, can generate a high level of pressure that can cause the eardrum to rupture. This can happen because the rapid change in air pressure from the loud sound wave can exert too much force on the delicate eardrum, leading to a tear or rupture. Once the eardrum is ruptured, it can result in hearing loss and other complications.
When sound is heard what structure would be the first to transmit the sound wave?
The eardrum, also known as the tympanic membrane, is the first structure within the ear to receive and transmit sound waves. These waves cause the eardrum to vibrate, which then sets off a chain reaction in the middle and inner ear, ultimately leading to the perception of sound.
The bottom part of wave is?
The lowest part of a wave is referred to as the trough.
What two wave interactions happen when a wave hits a barrier?
When a wave hits a barrier, two wave interactions that can occur are reflection, where the wave bounces off the barrier and returns in the opposite direction, and diffraction, where the wave bends around the barrier and spreads out.
What are the energy waves directed down the ear canal to the eardrum by?
The ear drum vibrates by the vibrating air molecules near it due to the sound wave.
How does sound travel from a loud speaker to your ear?
Sound leaves the speaker in the form of a wave, through the air, and enters your year, where the eardrum picks up the vibrations of the wave and sends a signal to your brain which interprets the vibrations as sound.
