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GAMMA RAYS                                    

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GAMMA RAYS                                    

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As the wavelengths of electromagnetic waves get shorter, their energy increases.

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X-rays have even shorter wavelengths than ultraviolet rays.

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Ultraviolet waves have the next shortest wavelength after visible light.

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The visible light spectrum covers the wavelengths that can be seen by the human eye. This is the range of wavelengths from 390 to 700 nm which corresponds to the frequencies 430-790 THz.

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Between microwaves and visible light are infrared waves. Infrared waves are sometimes classified as "near" infrared and "far" infrared. Near infrared waves are the waves that are closer to visible light in wavelength. These are the infrared waves that are used in your TV remote to change channels. Far infrared waves are further away from visible light in wavelength. Far infrared waves are thermal and give off heat. Anything that gives off heat radiates infrared waves. This includes the human body.

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Microwaves are shorter than radio waves with wavelengths measured in centimeters. We use microwaves to cook food, transmit information, and in radar that helps to predict the weather. Microwaves are useful in communication because they can penetrate clouds, smoke, and light rain. The universe is filled with cosmic microwave background radiation that scientists believe are clues to the origin of the universe they call the Big Bang.

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an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication.

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the rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second.

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the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

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A wave vibrating in the direction of propagation.

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TRANSVERSE WAVES                          a wave vibrating at right angles to the direction of its propagation.

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TRANSVERSE WAVES                          a wave vibrating at right angles to the direction of its propagation.

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one of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity and that include radio waves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

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A wave that requires a medium.

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a disturbance on the surface of a liquid body, as the sea or a lake, in the form of a moving ridge or swell.

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ocean physics science water sound amplitude light reflection longitudinal simple