# An analysis of the main properties of light waves in color science

The first two questions face anyone who cares to distinguish the real from the unreal and the true from the false. Wavelength can be a useful concept even if the wave is not periodic in space. For example, in an ocean wave approaching shore, the incoming wave undulates with a varying local wavelength that depends in part on the depth of the sea floor compared to the wave height.

The analysis of the wave can be based upon comparison of the local wavelength with the local water depth. Fortunately, an arbitrary wave shape can be decomposed into an infinite set of sinusoidal waves by the use of Fourier analysis.

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As a result, the simple case of a single sinusoidal wave can be applied to more general cases. Plane wave This section should include a summary of Plane wave. July Main articles: Standing waveAcoustic resonanceHelmholtz resonatorand Organ pipe Standing wave in stationary medium. The red dots represent the wave nodes A standing wave, also known as a stationary wave, is a wave that remains in a constant position.

This phenomenon can occur because the medium is moving in the opposite direction to the wave, or it can arise in a stationary medium as a result of interference between two waves traveling in opposite directions.

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The sum of two counter-propagating waves of equal amplitude and frequency creates a standing wave. Standing waves commonly arise when a boundary blocks further propagation of the wave, thus causing wave reflection, and therefore introducing a counter-propagating wave. For example, when a violin string is displaced, transverse waves propagate out to where the string is held in place at the bridge and the nutwhere the waves are reflected back.

At the bridge and nut, the two opposed waves are in antiphase and cancel each other, producing a node. Halfway between two nodes there is an antinodewhere the two counter-propagating waves enhance each other maximally.

There is no net propagation of energy over time. One-dimensional standing waves; the fundamental mode and the first 5 overtones. A two-dimensional standing wave on a disk ; this is the fundamental mode.

## Terminology

A standing wave on a disk with two nodal lines crossing at the center; this is an overtone. Light beam exhibiting reflection, refraction, transmission and dispersion when encountering a prism Waves exhibit common behaviors under a number of standard situations, e.

Transmission and media[ edit ] Waves normally move in a straight line i. Such media can be classified into one or more of the following categories: A bounded medium if it is finite in extent, otherwise an unbounded medium A linear medium if the amplitudes of different waves at any particular point in the medium can be added A uniform medium or homogeneous medium if its physical properties are unchanged at different locations in space An anisotropic medium if one or more of its physical properties differ in one or more directions An isotropic medium if its physical properties are the same in all directions Main articles: Absorption acoustics and Absorption electromagnetic radiation Absorption of waves means, if a kind of wave strikes a matter, it will be absorbed by the matter.

When a wave with that same natural frequency impinges upon an atom, then the electrons of that atom will be set into vibrational motion. If a wave of a given frequency strikes a material with electrons having the same vibrational frequencies, then those electrons will absorb the energy of the wave and transform it into vibrational motion.

Reflection physics When a wave strikes a reflective surface, it changes direction, such that the angle made by the incident wave and line normal to the surface equals the angle made by the reflected wave and the same normal line.

Refraction Sinusoidal traveling plane wave entering a region of lower wave velocity at an angle, illustrating the decrease in wavelength and change of direction refraction that results.

Refraction is the phenomenon of a wave changing its speed. Mathematically, this means that the size of the phase velocity changes. Typically, refraction occurs when a wave passes from one medium into another.

The amount by which a wave is refracted by a material is given by the refractive index of the material. Diffraction A wave exhibits diffraction when it encounters an obstacle that bends the wave or when it spreads after emerging from an opening.

Diffraction effects are more pronounced when the size of the obstacle or opening is comparable to the wavelength of the wave.Pump gas molecules to a box and see what happens as you change the volume, add or remove heat, change gravity, and more.

Measure the temperature and pressure, and discover how the properties of the gas vary in relation to each other. 39 rows · The main source of light on Earth is the Sun. The primary properties of visible light are intensity, propagation direction, frequency or wavelength spectrum, The weakness of the wave theory was that light waves, like sound waves, would need a medium for transmission.

Light propagates, or travels, in waves.

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Waves have two main properties: frequency and leslutinsduphoenix.com you know one, it’s pretty easy to calculate the other. When light waves overlap they create interference, and the patterns caused by this can be used to determine the wavelength of light. Light is electromagnetic radiation that has properties of waves.

The electromagnetic spectrum can be divided into several bands based on the wavelength. As we have discussed before, visible light represents a narrow group of wavelengths between about nm and nm. anisotropic substance, (f) dispersion of light, (g) absorption color. Nov 09,  · Diffraction Grating Experiment: Wavelength of Laser Light.

Science Project. or travels, in waves. Waves have two main properties: frequency and wavelength. When you know one, it’s pretty easy to calculate the other. Explore the properties of light and color using photographic filters/5(52). Light and Color; Waves and Sound; Reflection and Mirrors; Refraction and Lenses; Concept Builders.

About the Concept Builders; Relationships and Graphs; Kinematics; Categories of Waves; Lesson 2 - Properties of a Wave; The Anatomy of a Wave; Frequency and Period of a Wave; Energy Transport and the Amplitude of a Wave; The Speed of a Wave;.

Diffraction Grating Experiment: Wavelength of Laser Light | Science Project | leslutinsduphoenix.com