A sound wave generated by a tuning fork with some particular frequency is traveling through the air. The wave then enters a new medium, carbon dioxide gas. a) Is the frequency of the wave in the carbon dioxide the same as it was in the air, or is it different? Choose answer from below and provide justification for your explanation! Same as in air Different than in air b) Is the wave speed of the wave in the carbon dioxide the same as it was in the air, or is it different? Choose answer from below and provide justification for your explanation! Same as in air Different than in air c) Is the wavelength of the wave in the carbon dioxide the same as it was in the air, or is it different? Choose answer from below and provide justification for your explanation! Same as in air Different than in air
Properties of sound
A sound wave is a mechanical wave (or mechanical vibration) that transit through media such as gas (air), liquid (water), and solid (wood).
Quality Of Sound
A sound or a sound wave is defined as the energy produced due to the vibrations of particles in a medium. When any medium produces a disturbance or vibrations, it causes a movement in the air particles which produces sound waves. Molecules in the air vibrate about a certain average position and create compressions and rarefactions. This is called pitch which is defined as the frequency of sound. The frequency is defined as the number of oscillations in pressure per second.
Categories of Sound Wave
People perceive sound in different ways, like a medico student takes sound as vibration produced by objects reaching the human eardrum. A physicist perceives sound as vibration produced by an object, which produces disturbances in nearby air molecules that travel further. Both of them describe it as vibration generated by an object, the difference is one talks about how it is received and other deals with how it travels and propagates across various mediums.
A sound wave generated by a tuning fork with some particular frequency is traveling through the air. The wave then enters a new medium, carbon dioxide gas.
a) Is the frequency of the wave in the carbon dioxide the same as it was in the air, or is it different? Choose answer from below and provide justification for your explanation!
Same as in air Different than in air
b) Is the wave speed of the wave in the carbon dioxide the same as it was in the air, or is it different? Choose answer from below and provide justification for your explanation!
Same as in air Different than in air
c) Is the wavelength of the wave in the carbon dioxide the same as it was in the air, or is it different? Choose answer from below and provide justification for your explanation!
Same as in air Different than in air
(a)
When a tuning fork produces sound waves in air, frequency is same in the material of tuning fork as well as in air.
The speed of sound can change when sound travels from one medium to another. However, the frequency usually remains the same because it is like a driven oscillation and has the frequency of the original source.
One of the more important properties of sound is that its speed is nearly independent of frequency and true in open air for sounds in the audible range of 20 to 20,000 Hz.
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