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Wavelength is commonly designated by the Greek letter lambda (Î»). The concept can also be applied to periodic waves of non-sinusoidal shape. The term wavelength is also sometimes applied to modulated waves, and to the sinusoidal envelopes of modulated waves or waves formed by interference of several sinusoids.here L is the slit width, R is the distance of the pattern (on the screen) from the slit, and Î» is the wavelength of light used. The function S has zeros where u is a non-zero integer, where are at x values at a separation proportion to wavelength.
Wavelength is a measure of the period length and is used for Spectrum readings and micro-signal applications, mainly in Physics or chemistry. For example visible light has a wavelength between 400 - 700 nanometers for the visible spectrum.There is the Infrared spectrum, radio spectrum, radiation spectrum, television spectrum, etc. There is continuing research and studies being done on these topics you ask about. just now. Report Abuse. Amplitude is the height of the wave above the middle point, or the x-axis, if it is on a graph. Period is the same thing as wavelength if we are talking about something on a graph; both are the length on the x axis of one 'cycle' of the wave.