# Wavelength Equation | Assignment

Added on - 01 Oct 2019

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Blog Writing1Blog WritingBlog WritingWavelength EquationAugust 3rd, 2019Brief about Wavelength EquationThe distance between successive crests of a wave or higher points of electromagnetic waves istermed as wavelength. The frequency and wavelength are closely related to each other. Butthey are inversely proportionate to each other. The wavelength becomes shorter when thefrequency is higher and the wavelength becomes longer when the frequency is lower. All thewaves of light move with the same speed through a vacuum and the number of crest wavespassing by a specific timeline depends on the wavelengths. The wavelength is fundamentallydenoted as Lambda which is a Greek Letter (λ). The wavelength formula or the wavelengthequation of a wave has been represented as the following:(λ)=v/fHere, "v" represents the speed of the velocity of the Waves and "f" represents the frequency ofthe way. The wavelength is expressed in units of meters and the velocity is expressed in metersper second. The frequency is expressed in hertz. In a graph, we can see the waves which aregraphed as functions of distance or time. The wavelength can be determined from the distancegraph. On the other hand, frequency and period can be obtained from a time graph. Wavespeed can be obtained from both the distance and time graph. In calculating wavelength, theuse of distance, speed, and time is found. Speed can be obtained by dividing the distance bytime and speed can also be calculated by multiplying wavelength by frequency. Therefore, thewavelength can be calculated by dividing the distance by the product of frequency and time.What is the wavelength?Wavelength in physics is considered to be the periodic wave's special period. The inverse ormultiplicative inverse or reciprocal of the spatial frequency is the wavelength. In physics,mathematics, and engineering, special frequency is the feature of any structure which isperiodic in space across the entire position. Special frequency can also be consideredcharacteristic of a structure which is periodic through several positions in space. The spatialfrequency measures the frequency of repeated movement of a structure's sinusoidalcomponents per unit of distance. Wavelength is generally determined by observing the

distance between crests, zero crossing, and troughs which are the consecutive points of asimilar phase. Wavelength is the characteristic feature of standing and traveling waves. It alsodepicts the patterns of the spatial wave. Greek letter Lambda (λ) is designated to wavelength.The term wavelength is applied in the domain of telecommunications and electronics wheremodulated waves are commonly found. Wavelength is also applied to the sinusoidal envelopeof waves or modulated waves. The waves in the case of the sinusoidal envelope are developedby interferences of different sinusoids. In the domain of telecommunications and electronics,the process of varying single or multiple properties of a carrier signal is known as modulation.The carrier signal is the periodic waveform. The periodic waveform varies with modulatingsignal which typically provides information which is to be transmitted. If a sinusoidal wave isconsidered to be moving at particular wave speed, wave frequency is inversely proportional towavelength. This means the waves which have higher frequencies would have shorterwavelengths.On the other hand, the waves which have lower frequencies will have much longerwavelengths. The medium such as vacuum, water, or air determines wavelength. The mediumthrough which wave travels determines the wavelength. There are several wave-likephenomena such as light, sound waves, periodic electrical signals, and water waves. A soundwave is observed in air pressure as a variation. In light, the strength of the magnetic field andthe electric varies. In electromagnetic radiation, the magnetic field and electric also vary. In thecase of water waves, variations are found in the height of a water body. In the case of crystallattice vibration, the atomic positions are found to vary. Therefore, wavelength measures thedistance between the repetitions which we found in peaks, zero-crossing or valley-like shapes.It does not measure the distance a particular particle moves. The spectrum is the range offrequencies or wavelengths for wave. It is commonly used concerning the electromagneticspectrum or vibration spectrum or sound spectrum. Therefore, a wavelength can be defined asthe distance between successive points in an electromagnetic wave or sound wave.Repeated patterns which we observe in the case of traveling energy like light, sound, or lightare represented by wavelengths. The distance between two similar or identical crests or peaksor high points is measured by a wavelength. The distance between two low points or troughs ina similar wave is also measured by wavelength. The wavelengths are distinctive in theirformations and this formation plays a significant role in differentiating and energy from that ofthe other. Wavelengths are highly used in the field of technology and science. The engineers,scientists, technologies, use wavelengths to identify different energy forms in the field ofaerospace, network administration, and any other domain of technology. The wavelength oflight it is found to vary with colors point the wavelength of light is different for each color. Forexample, the longest wavelength is found in case of red color and the least wavelength is foundin the case of violet color. The wavelength of infrared radiation is found to be longer even thenthe wavelength of red color. Frequency and wavelength are inversely proportional to eachother. It means the shorter the wavelength, higher is the frequency. On the other hand, longerthe wavelength, lower will be the frequency. On an electromagnetic radiation spectrum, thewavelength is indicated by the distance between the repetitions which are observed in the

waves. Radio waves which we find in audio range and waves are also included in theelectromagnetic radiation spectrum in a visible light range.How can wavelengths be measured?It is very important to understand the way a wavelength is measured. Wavelengths aregenerally measured with the help of the units of meters such as centimeters, millimeters,nanometres, meters, etc. Smaller denominations are also used such as picometres,nanometres, and centimeters in measuring shorter wavelengths. The smaller denominations ofmeters are usually used in measuring shorter wavelengths. The shorter wavelengths which wefound find in the electromagnetic spectrum are measured by the help of smaller denominationsof meters. The wavelength such as x-rays, ultraviolet radiation, and gamma rays which areobserved in the electromagnetic spectrum, are measured by the help of smaller denominationsof meters such as picometres, nanometres, and centimeters. Optical spectrum analyzers oroptical spectrometers are the instruments which are used in detecting wavelengths on anelectromagnetic spectrum. The wavelength can be measured by the distance between twosuccessive crests in the same wave. The wavelength is the distance between two crests orpoints in a wave. The distance between two peaks or valleys is the wavelength. in measuringwavelength, two important parameters are needed. these two parameters are frequency andwave speed. The frequency represents the number of cycles of wave passing point at aspecified time. On the other hand, the speed of the waves is represented by the rate at which awave can move through any medium and it is highly dependent on the propagation of themedium. For example, electromagnetic waves and sound waves travel through the air. Thenumber of oscillations per unit of time in a wave is represented by the frequency of the wave.Shorter wavelengths can be observed if the frequency is higher and longer wavelengths areobserved if the frequency is lower. This is because of the inverse relationship between thefrequency of a wave and its wavelength. The wave speed can be calculated by multiplying thenumber of cycles which pass a point every second by the length of the cycle. The wave speedcan be mathematically stated as the multiplication of cycle length and cycles per second.Wavelength EquationThe characteristic patterns which we find in a light wave or radio wave or infrared wave have aparticular length and shape. The distance between two consecutive peaks or high points in thesame phase is known as a wavelength. The distance between two consecutive troughs or crestsof a wave is the wavelength. Wavelength is measured in the wave's direction. The distancefrom one trough or crest to the other and again from that trough or crest to another is thewavelength. The waves can be electromagnetic waves or a sound wave or even a light wave.The highest points where the trough of the wave is found to be the lowest is known as thecrest. In measuring wavelength, units of lengths like centimeters, meters, nanometres,millimeters, etc. are used. Wavelength equation is also known as wavelength formula whichdepicts wavelength to be equal to the ratio between the speed of the waves and wavefrequency. Therefore, it can be seen that a wavelength can be measured or calculated bydividing wave velocity by wave frequency. The wavelength is always represented meters. In the

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