# Describe the relationship between wavelength frequency and wave speed

### What does wavelength, frequency, and inverse relationship mean? | Socratic Relate the characteristics of waves to properties of sound waves; Describe the . The relationship between the speed of sound, its frequency, and wavelength is. Each color of light we see has a particular frequency - Here, the key relationship is The equation that describes this wave motion is the same for all three types. The properties of waves are described in terms of frequency, wavelength, Since the wave is electromagnetic in nature hence the velocity of the wave is equal to the speed of the light. What is the frequency of the light emitted by the sodium lamp? The relation between the energy of light and the wavelength is shown in. Again this is just a label, or shorthand, in order to allow us to work quickly with the equation. Wavelengths are usually measured in metres.

## Communications System

Providing we know any two of the three quantities we can find the other one, either directly or by rearranging the equation. The next section solves the equation as it is, and there is a calculator for frequency, wavelength and speed here. Solving the Equation In this example we will consider the frequency of radio waves. Radio waves are just another form of "light", i. Let's say we have a radio with a dial that is only marked in MHz.

### How are frequency and wavelength related?

This is a measurement of frequency and we note that 1 MHz is the same as 1 million hertz the M in MHz stands for " mega ", which means million. We are told of a radio broadcast we want to hear but we are only given the wavelength of the station and not the frequency. The wavelength we are given is 3.

We know the speed of light and we know the wavelength so it's now an easy matter to plug these numbers into the equation and find the frequency of the radio station: This gives us a frequency of 92 MHz, which is found in the FM range of most domestic radios. Visible Light The wavelengths of visible light are measured in nanometres, nm billionths of a metre but the equation works just the same.

When we look at a light source the colours we see are dictated by the frequency of the light. These frequencies are very high by everyday standards. Have a look around the room and find something that's the colour red. What is the relationship between Wavelength and Frequency You could create a wave with a higher frequency on a rope by wiggling up and down at a faster rate.

As you do this, you will notice that the wavelength of the wave becomes shorter. Clearly, there is a relationship between wavelength and frequency and now we will try to find out exactly what this relationship is.

## What is the mathematical relationship between wavelength and frequency?

Period is the time taken for one complete oscillation. Since frequency measures the number of times that a wave oscillates per unit time, it follows that Since a wave undergoes one complete oscillation during one period, all points in the wave return back to the same values after one period.

In other words, during one period, a crest travels to the position that its preceding crest was occupying one period before, and so on.

• What does wavelength, frequency, and inverse relationship mean?
• Relationship Between Wavelength and Frequency
• Frequency and Wavelength

The speed of the wave is the distance that the wave travels per unit time. Considering that the wave travels a distance of one wavelength during one period, We know that.

So we can write the above equation as: That is, the speed of a wave is equal to its frequency multiplied by the wavelength.

### Speed, Frequency and Wavelength - How they are related, with examples

This is the relationship between wavelength and frequency. This speed is a fundamental constant in physics, and it is denoted by the letter. So, this equation is sometimes written as for electromagnetic travelling through vacuum. This equation is very useful. For example, we know that electromagnetic waves can slow down when they travel from air into glass.

Relation between Wavelength and Frequency - By Vineet Khatri

The speed and wavelength of a wave changes when it travels from one medium into another.