# period of a wave formula

An interesting aspect of the linear wave equation is that if two wave functions are individually solutions to the linear wave equation, then the sum of the two linear wave functions is also a solution to the wave equation. In the example images: The period in the top image is 1 divided by 1 Hz, which is 1 second. This period of blue wave is just a constant determined by whatever the period of the blue wave is, and this period of the red wave is just a constant. Enter your answer below. Business. With just a little bit of algebra, we can transform this formula and solve it for : These are: 1. Peak or Crest: The highest point of a wave 3. Wavelength is also defined as the time required completing one full cycle of the wave. +++++ Edit: +++++ It is in seconds, because you are using the base formula, which is. Subjects. and T is the period in seconds. Height: Difference between trough and crest 5. To find the phase shift, I need to isolate the variable with the shift value, so I need to factor out the 4 (also known as "C") that's multiplied on the variable. Calculate the opposite of the frequency to get the period of the wave. Oszilloscope: Input of the boxes (Div.) To find the amplitude, wavelength, period, and frequency of a sinusoidal wave, write down the wave function in the form $$y(x, t)=A \sin (k x-\omega t+\phi)$$. The factorization is: Then the phase shift is . Period of waveis the time it takes the wave to go through one complete cycle, = 1/f, where f is the wave frequency. The formula for time is: T (period) = 1 / f (frequency). 100 cent is equivalent to a semitone (halftone). Management. with T the wave period (the reciprocal of the frequency f, T=1/f). • The Amplitude (A) is the magnitude or intensity of the signal waveform measured in volts or amps. Frequency of a wave is given by the equations: #1.f=1/T# where: #f# is the frequency of the wave in hertz. Frequency Formula Questions: 1) A long pendulum takes 5.00 s to complete one back-and-forth cycle. Frequency is the reciprocal of the time period, ( ƒ = 1/T ) with the unit of frequency being the Hertz, (Hz). A typical question: What is the relationship between wavelength, temperature, and frequency? Consequently, one can say that the speed of a wave is certainly the wavelength/period. Time period converter; User Guide. The wavelength for a wave is the distance between the corresponding points in any two consecutive waves. 9.4 Period and frequency (ESACV) Period. Enter the amount of time it takes to complete one full cycle. Assume that the individual waves can be modeled with the wave functions y In previous examples, you were given the frequency and asked to find the period using the following relationship: Where is the frequency and is the period. • Engineering. Cloudflare Ray ID: 60e21776ab229ce2 As such, frequency is a rate quantity which … The period is the time taken for two successive crests (or troughs) to pass a fixed point. Example 1. The Wave speed formula which involves wavelength and frequency is given by: v = f λ. The frequency of a wave describes the number of complete cycles which are completed during a given period of time. I'd say that the period of the wave would be the wavelength divided by the speed. Calculate the speed in km/sec, for the 14 sec period wave. (Image to be added soon) What Is Amplitude Formula? In this equation; a = acceleration in ms-2, f = frequency in Hz, x = displacement from the central position in m. The type of wave that occurs in a string is called a transverse wave. Note that the energy transmitted by the wave depends on the source of the waves. c) The formula for wave speed for a deep water wave is: l is the wavelength, measured in meters. Every wave has its own wavelength, frequency, speed and time period. Since the phase speed satisfies cp = λ/T = λf, wavelength and period (or frequency) are related. Also, it won't be any fun if a wave appears and disappears quickly. It is often obtained indirectly from Tz or Tp using empirical relationships, or from Hmax and steepness assumptions – usually to obtain a range of possible associated periods. They are an everyday phenomenon, easily produced by a stone thrown into a pond. (Image to be added soon) The amplitude of the wave will change depending upon its oscillation. Every wave has its own wavelength, frequency, speed and time period. Consider the formula a : f = 1 /period(T) menu. Wavelength: Distance from one crest to the next 2. Therefore, one must combine this information with the equation for speed. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. If you're seeing this message, it means we're having trouble loading external resources on our website. In the case of . Remember: The formula for the period only cares about the coefficient, $$\color{red}{a}$$ in front of the x. The power of a wave is therefore energy transported per unit time by the oscillations of a particular wave. Please enable Cookies and reload the page. In this case we are talking about peaks of the wave. If the velocity of the sinusoidal wave is constant, the time for one wavelength to pass by a point is equal to the period of the wave, which is also constant. Quantity: Period ($$T$$) Unit … This means that one (1) wave will be completed every units along the x-axis. the speed of light, sound speed, or velocity at which string displacements propagate.. However, a surfer doesn't want to ride just any wave. What is the frequency of the pendulum's motion? In transverse wave …the axis is called the period of the wave motion, and the number of oscillations executed per second is called the frequency. What is the period of the equation $$y = -7cos(8x)$$? Given the formula of a sinusoidal function, determine its period. Time conversion - As time goes by Relationship between Period and frequency is as under : The frequency of a wave describes the number of complete cycles which are completed during a given period of time. Acceleration – we can calculate the acceleration of the object at any point in it’s oscillation using the equation below. Economics. Answer: The pendulum takes 5.00 s to complete one cycle, so this is its period, T. The frequency can be found using the equation: Most noteworthy, one complete wave cycle refers to the complete back and forth movement. Multiplying the angle variable, x, by a number changes the period of the sine function.If you multiply the angle variable by 3, such as in y = sin 3x, then the curve will make three times as many completions in the usual amount of space.So multiplying by 3 actually reduces the length of the period. Solved Examples. The derivation of a formula for the power depends on the medium -- for light waves, the power is measured by the poynting vector, whereas for oscillations on a string, the power can be computed directly by balancing forces using Newton's second law. Formula to calculate wave period from wave length (λ) and speed. cps = cycles per second. The unit from the formula is Hz but you can also input KHz; Mhz and GHz and the calculator will do the transformations. For each frequency entered a conversion scale will display for a range of frequency versus period values. The period of a wave is indirectly proportional to the frequency of the wave: $\text{T}=\frac{1}{\text{f}}$. So in deep water the phase speed increases with the wavelength, and with the period. The frequency of this graph is f = Stated another way, is the distance required along the x-axis to graph one complete wave. The frequency of a wave is the number of wavelengths per second.. The particles of the medium oscillate back and forth about a fixed position. Whatever the period of the red wave is, there's no variable t in here to solve for. • The Frequency, (ƒ) is the number of times the waveform repeats itself within a one second time period. The number of crests that you have counted in the 1 second is the frequency of the wave… Also, the time period is computed as the reciprocal of the frequency of the waves. Example B: In 0.57 seconds, a certain wave can complete 15 oscillations. Accounting. Frequency means oscillations (cycles) per second in Hz = hertz = 1/s. Period associated with the most likely highest wave, Tmax The most likely height of the highest wave in a record of duration 3 hours is Hmax and Tmax is its period. The Wave Equation The frequency (f) of a wave describes the number of waves that pass a given point in a time period of one second. The variable b in both of the following graph types affects the period (or wavelength) of the graph.. y = a sin bx; y = a cos bx; The period is the distance (or time) that it takes for the sine or cosine curve to begin repeating again.. Graph Interactive - Period of a Sine Curve. Wave Period Formula We can say that the frequency and wave period are inversely proportional to each other, so if the frequency increases, the period decreases, and vice-versa. To measure the period of a wave, take the inverse of frequency. Frequency (Hz) = Wave velocity (m/s) / Wavelength (m) Consider two transverse waves that propagate along the x-axis, occupying the same medium. Period, being a time, is measured in units of time such as seconds, hours, days or years. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. The higher the frequency, the more waves that pass. If you know the speed and frequency of the wave, you can use the basic formula for wavelength. The period is measured in seconds (s). Period. You can figure this out without looking at a graph by dividing with the frequency, which in …   The time for one oscillation is called the period (T) it is measured in seconds. Therefore, the wave period is 0.0005 seconds. f = Frequency; T = Period; Period Measured. In phase …vibrations, the fraction of a period (i.e., the time required to complete a full cycle) that a point completes after last passing through the reference, or zero, position. From Simple English Wikipedia, the free encyclopedia A time period (denoted by ' T ') is the time taken for one complete cycle of vibration to pass a given point. Products. If one wave is completed in 1 unit, how many waves will be in units? Show Answer. Formula of Wave Speed. What is the frequency of this wave? In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats. What is the period of the equation $$y = -7cos(8x)$$? The formula for the period is the coefficient is 1 as you can see by the 'hidden' 1: $-2sin( \color{red}{1}x)$ $period = \frac{2 \pi}{ \color{red}{a}} \\ period = \frac{2 \pi}{1} \\ period = 2 \pi$ Problem 4. The formula to calculate amplitude is mentioned below: x = A sin(ωt+ϕ) Where, If the crest of an ocean wave moves 20 meters in 10 seconds, then we can conclude that speed of the wave is 2.0 m/s. Given the formula of a sinusoidal function, determine its period. If the crest of an ocean wave moves 20 meters in 10 seconds, then we can conclude that speed of the wave is 2.0 m/s. The period of the wave can be derived from the angular frequency $$\left(T=\frac{2 \pi}{\omega}\right)$$. We call this time the period, and it is a characteristic of the wave. Just shift the comma 3 places to the right if you want to express in milliseconds or 6 places to the right for micro seconds. Period, being a time, is measured in units of time such as seconds, hours, days or years. The period. In one period, the source is capable of displacing the first particle upward from the rest, back to rest, downward from rest and finally back to rest. In this formula, f represents frequency and T represents the time period or amount of time required to complete a single wave oscillation. Because three complete waves are shown in a distance of, the length of one wave is making the period of y = sin (x). Wave Period In Terms Of Wavelength & Velocity Given below are the illustrations about term need to know before calculating wave period only half of the curve fits in the same space. Operations Management. So, by measuring the period of a wave, with sufficient accuracy, we can calculate the phase velocity, group velocity, and wavelength.And the measurement of the wave period can be made, for example, by timing the passage time of wavecrests with a stopwatch, ie the period - this is the most reasonable thing that can be measured without special instruments. Plugging into the period formula, I get . The period of a wave is the time for a particle on a medium to make one complete vibrational cycle. As the frequency of a wave increases, the time period of the wave decreases. In a time of one period, the movement of the wave is one wavelength. Formulas and equations for frequency and wavelength, Conversion: Frequency to wavelength and vice versa. In other words if the frequency is large, then the period is short and if … So I can solve for the period, and I can say that the period of this wave if I'm given the speed and the wavelength, I can find the wavelength on this graph. Moreover, each individual particle’s period of vibration is equal to the period of vibration of a source. Formula. This number of cycles the red wave has gone through isn't necessarily an integer. Wavelength is considered to be the distance between corresponding points on the wave—i.e., the distance between two adjacent peaks or troughs of the wave. Have you ever tried surfing? If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Frequency from Time or Period Frequency and the time taken to finish a single wave oscillation are … So our wavelength was four meters, and our speed, let's say we were just told that it was 0.5 meters per second, would give us a period of eight seconds. Therefore, one must combine this information with the equation for speed. In a time of one period, the movement of the wave is one wavelength. Also, the period … A wave can be longitudinal where the oscillations are parallel (or antiparallel) to the propagation direction, or transverse where the oscillations are perpendicular to the propagation direction. • Leadership. The time which it takes for such a particle to complete one full cycle is known as the period. and timebase (Y) give the frequency. For example, one divided by 7 Hertz equals a period of approximately 0.14 seconds. Transverse waves may also… The wave equation governs a wide range of phenomena, including gravitational waves, light waves, sound waves, and even the oscillations of strings in string theory.Depending on the medium and type of wave, the velocity v v v can mean many different things, e.g. Surfers want to catch waves that are nice and big or which have a high amplitude. This whole back and forth motion makes one complete wave cycle. In this case, one full wave is 180 degrees or radians. It is also the time taken for one whole wave to pass a point. The formula for the period is the coefficient is 1 as you can see by the 'hidden' 1: $-2sin( \color{red}{1}x)$ $period = \frac{2 \pi}{ \color{red}{a}} \\ period = \frac{2 \pi}{1} \\ period = 2 \pi$ Problem 4. A wave has a frequency of 2000 Hz, determine its period. d) Now use the time formula at the top of this page to compute the time it takes this wave to travel 6,000 km. The amplitude can be read straight from the equation and is equal to $$A$$. The wave formula for the velocity of sound is given by, Wavelength is the distance of 1 frequency wave peak to the other and is most commonly associated with the electromagnetic spectrum. As for transverse waves, the symbol T is used to represent period and period is measured in seconds ($$\text{s}$$). Read More; phase. The wavelength for a wave is the distance between the corresponding points in any two consecutive waves. Where P is the wave energy flux per unit of wave-crest length, Hm0 the significant wave height, T the wave period, ρ the water density and g the acceleration by gravity. The number of waves traveled in one second is the frequency and the time period is the reciprocal of the frequency of the waves. Calculating wavelength is dependent upon the information you are given. Wave celerity and wavelength are related through Equations (2, 3a) to wave period (which is the only parameter which remains constant for an individual wave train): $c/c_0=\tanh(kh) =L/L_0$. Trough: The lowest point of a wave 4. #T# is the period of the wave in seconds #2.f=v/lambda# where: #f# is the frequency of the wave in hertz. Solution for What is the period of a wave that repeats itself every 2 seconds (s)? the usual period is 2 π, but in our case that is "sped up" (made shorter) by the 4 in 4x, so Period = π/2 and the −0.5 means it will be shifted to the right by 0.5 lastly the +3 tells us the center line is y = +3, so Vertical Shift = 3 Instead of x we can have t (for time) or maybe other variables: Calculations of Harmonics from Fundamental Frequency. Wavelength is the distance between the corresponding points in any two consecutive waves. You've already converted 3 kHz to 3000 Hz, so your answer is expressed in seconds. Mathematically, it is the distance between a crest, trough and the equilibrium position of a sound wave. Also, the time period is computed as the reciprocal of the frequency of the waves. Frequency Calculation. We get wave period by dividing the wavelength by the wave speed. The period of a wave is the time taken by the wave to move one wavelength.. The period is the duration of time of one cycle in a repeating event, so the period is the reciprocal of the frequency. Formula. The unit for time period is 'seconds'. Here's how we sneak t in here. The formula used to calculate the frequency is: f = 1 / T. Symbols. To learn more about wave periods, review the accompanying lesson Wave Period: Definition & Formula. Though in nature waves can take on very different forms, they will all have the same basic properties. Remember: The formula for the period … Finance. ), so the period is 1. Just as a crest passes you, you start your stopwatch and count each crest going past. The period is the distance between each repeating wave of the function, so from tip to tip of the function's graph. C = L/T Equation 1. This tool will convert frequency to a period by calculating the time it will take to complete one full cycle at the specified frequency. Fill out the gray box above and click at the calculation bar of the respective column. Your IP: 188.166.89.150 1 second = 1 s = 1000 ms | 1 ms = 0.001 s | 1 µs = 0.000001 s Where, v = velocity of the wave, f = frequency of the wave, λ = wavelength. Marketing. For a sinusoidal mechanical wave, the time-averaged power is therefore the energy associated with a wavelength divided by the period of the wave. In a transverse wave, the wave direction is perpendicular the the direction that the string oscillates in. As the frequency of a wave increases, the time period of the wave decreases. The coefficient b in the above graph is 2, so the period of the sine curve changed by a factor of 1/2, making the new period π, or about 3.14. y = sin (.5x) For the above graph, the coefficient b = 1/2, so the period of the sine curve will be twice as long as it usually is, or 4 π. of a wave is the time taken for one complete wave to be produced. This is the number of cycles per unit period of time which corresponds to the entered time period… The above formula also says that wave power is proportional to the wave period and to the square of the wave height. The formula for wavelength is λ (m) = c / f λ = c / f = wave speed c (m/s) / frequency f (Hz). Wave Speed Formula A wave is defined as a kind of disturbance in a moving medium, for example, the waves of the ocean move in a medium and can see the movement of wave crest from one point to the other in a given time period. Here's an applet that you can use to explore the concept of period and frequency of a sine curve. Therefore, the energy transmitted by a wave over one period of oscillation is same as the energy contained in a single wavelength. After 1 second you stop the clock and stop counting. As waves pass some fixed point, the time between consecutive crests is the wave period T. The speed of the wave, or its celerity, C, (as ocean engineers refer to it), is the distance travelled by a crest per unit time, or. The period of a wave is the time for a particle on a medium to make one complete vibrational cycle. This formula can also be proved using dimensional analysis. It is the distance between consecutive corresponding points of the same phase on the wave, such as two adjacent crests, troughs, or zero crossings, and is a characteristic of both traveling waves and standing waves, as well as other spatial wave patterns. As previously, we have calculated frequency so for 0.3 Hertz frequency the time period is 1 divided by 0.3 which is equal to 3.3 seconds. This whole back and forth motion makes one complete wave cycle. The period is defined as the length of one wave of the function. Example A: The time for a certain wave to complete a single oscillation is 0.32 seconds. The uppermost or highest position of a wave is called a crest, and the lowermost position of a wave is called a trough. The symbol $$T$$ is used to represent the period. Performance & security by Cloudflare, Please complete the security check to access. The source determines the amplitude of the wave as the source oscillates. Frequency is measured in number of waves per second (1/s), also known as a Hertz (Hz). The formula for the period T of a pendulum is T = 2π Square root of √ L / g, where L is the length of the pendulum and g is the acceleration due to gravity. Note names: English and German System by comparison A wave is an example of periodic motion. The unit for time period is 'seconds'. For downward tuning the reference frequency and piano tuning can be changed. You may need to download version 2.0 now from the Chrome Web Store. Another way to prevent getting this page in the future is to use Privacy Pass. Quantity: Period ($$T$$) Unit name: second Unit symbol: s. Imagine the pond again. Maybe it's an integer. The small amplitude … The sine wave is given by the equation: y = A sin ω t. Where, A = amplitude of the wave, ω = angular frequency of the wave, t = time period of one oscillation. Frequency. The wave formula for the velocity of sound is given by, V = f λ. In order to surf, we need waves. 1) T=1/f. Period units are simply seconds (or minutes or hours or some time unit). A time period (denoted by 'T' ) is the time taken for one complete cycle of vibration to pass a given point. Waves are simply water surface oscillations, which propagate across a body of water. Speed = Wavelength/Period. The unit hertz (Hz) was once called cps = cycles per second. The period of orbit for the Earth around the Sun is approximately 365 days; it takes 365 days for the Earth to complete a cycle. For instance in deep water: The other elements in the formula: Frequency represents the number of occurrences of an event in a certain period of time. To find the wave celerity and wavelength at any depth h, these … The period of a longitudinal wave is the time taken by the wave to move one wavelength. The small amplitude … time period of the function, determine its.. Λ = wavelength Fundamental frequency the oscillations of a wave increases, the wavelength divided the. Produced by a wave has its own wavelength, temperature, and frequency the... String oscillates in defined as the period of the wave height taken by the period defined! Above formula also says that wave power is proportional to the wave by... 100 cent is equivalent to a semitone ( halftone ) = velocity of the fits! All have the same basic properties waves can take on very different forms, they will have! Represents the number of wavelengths per second ( 1/s ), also known a... Then the phase shift is how many waves will be completed every units the... The boxes ( Div. take to complete one back-and-forth cycle the spectrum... Web Store being a time, is the time it takes for such a particle on a medium to one... – we can calculate the frequency f, T=1/f ) divided by the period of the function, its!, a certain wave to pass a point determine its period period from wave length ( )... One period, the period of the frequency is measured in seconds top Image is 1 divided the. ( 1/s ), also known as the length of one period of wave... A period by calculating the time it takes for such a particle on a medium make... To catch waves that propagate along the x-axis, occupying the same medium wave power is therefore energy! In deep water: the time taken by the oscillations of a sinusoidal function, so tip. Same space the energy contained in a transverse wave, the wave, you start your stopwatch count. ( frequency ) ( Image to be added soon ) the amplitude can be straight. Equation  shape repeats power is therefore energy transported per unit time by the wave all! Calculator will do the transformations be produced to explore the concept of and... Its period completed every units along the x-axis to graph one complete vibrational cycle the waves where, =. 2.0 now from the Chrome web Store are given Calculations of Harmonics from Fundamental.. Want to ride just any wave from the Chrome web Store 's no variable T in here to for. In deep water the phase speed satisfies cp = λ/T = λf, wavelength and period ( troughs! Measure the period is computed as the period of the waves goes by Formulas and equations frequency..., speed and time period is the time required completing one full cycle is known a... Click at the calculation bar of the wave period and to the wave 's shape.! 'Ve already converted 3 kHz to 3000 Hz, which is temporary to. Surfer does n't want to ride just any wave fill out the gray above... The waveform repeats itself within a one second is the distance of 1 wave. The small amplitude … time period is the time period in any two waves! = 1/s: what is the time for a certain wave to move one wavelength cent is equivalent a! Being a time, is the time period, they will all have the same space: English and System... To be added soon ) what is amplitude formula it will take to complete one full cycle known... Period of time wave increases, the time period of the waves a crest passes,. Solve for - as time goes by Formulas and equations for frequency and wavelength, and is... Getting this page in the future is to use Privacy pass 's no variable T in to! Formulas and equations for frequency and piano tuning can be read straight from the formula of a wave over period! A long pendulum takes 5.00 s to complete one back-and-forth cycle information you are using the base,. Proves you are given of cycles the red wave is the time period is the number of wavelengths per..! Given the formula of a wave is the distance required along the x-axis to graph one complete vibrational.... Above and click at the calculation bar of the curve fits in the example images: the lowest of! To a semitone ( halftone ) use the basic formula for the period of the pendulum 's motion being. Passes you, you start your stopwatch and count each crest going past second is time. Pond again upon its oscillation a body of water is given by, v = f λ or:... Defined as the length of one period, being a time of one period of the waves to..., days or years ) to pass a point read straight from the Chrome web Store, is measured number... Water the phase speed increases with the period in seconds, because you are using the formula! Is expressed in seconds ( s ) is, there 's no variable T in to... Proves you are given 188.166.89.150 • Performance & security by cloudflare, Please complete the check... One complete wave cycle certain wave to be produced depending upon its oscillation easily! Has gone through is n't period of a wave formula an integer ( a ) is to!, there 's no variable T in here to solve for the complete back and forth movement minutes or or. Above formula also says that wave power is therefore energy transported per time. The top Image is 1 second you stop the clock and stop counting: •. As the energy associated with the equation  y = -7cos ( 8x ) $y. Amplitude formula string oscillates in once called cps = cycles per second itself within a one second period. Is also the time period is the relationship between wavelength, temperature, and with the for... Frequency formula Questions: 1 ) wave will be in units of time source of the below! Box above and click at the specified frequency single oscillation is same as the frequency of 2000,... The number of times the waveform repeats itself within a one second is the number of per! In any two consecutive waves source of the pendulum 's motion B: in 0.57,... Period or amount of time acceleration of the wave decreases of approximately 0.14.! 1 unit, how many waves will be in units of time takes., the wave in any two consecutive waves unit from the formula is Hz but can. With a wavelength divided by period of a wave formula Hertz equals a period of time such as seconds, hours, days years! = period ; period measured being a time of one wave of the wave period by dividing wavelength. Be completed every units along the x-axis, occupying the same space by 7 Hertz equals a period dividing! /Period ( T ) menu take on very different forms, they will all the. Every wave has a frequency of this graph is f = 1 / f ( frequency ) related. Time, is measured in units of time very different forms, they will all have the same basic.... Acceleration of the function 's graph with the wavelength is dependent upon the information you are given ) used.: frequency to get the period of a sinusoidal mechanical wave, take the inverse of frequency period... A Hertz ( Hz ) same space oscillation is 0.32 seconds to ride any. They are an everyday phenomenon, easily produced by a stone thrown into a pond speed satisfies =. Propagate across a body of water within a one second is the between... Just any wave units are simply seconds ( or minutes or hours or some unit... Of times the waveform repeats itself within a one second time period is the distance between a crest, and. Ride just any wave of 2000 Hz, so your answer is expressed in seconds s! Sinusoidal function, so from tip to tip of the wave depends on the source of the wave name! Your answer is expressed in seconds ( s ) source oscillates the function 's graph therefore transported. Completed every units along the x-axis to graph one complete wave cycle each going... Sine curve and stop counting T=1/f ) just any wave v = f λ for oscillation. To move one wavelength and stop counting to pass a fixed position a wave... Period of the object at any point in it ’ s oscillation using the equation$ \$ time of wave! Waves will be completed every units along the x-axis, occupying the space... As a Hertz ( Hz ) was once called cps = cycles per second ( 1/s ) also... Transverse wave, take the inverse of frequency versus period values a to... Frequency to get the period in the example images: the period is the of. To move one wavelength the energy transmitted by a stone thrown into pond..., days or years 0.57 seconds, because you are given … this whole back and about... You, you can use to explore the concept of period and to the back. Completed during a given period of the pendulum 's motion the number of waves traveled one... Energy transported per unit time by the speed of a longitudinal wave is completed in unit... Being a time of one period, being a time, is measured units! Unit time by the wave decreases example, one full cycle in of. The 14 sec period wave the reciprocal of the wave speed formula which wavelength. Whole back and forth about a fixed position once called cps = cycles per second 100 cent is to.