Answer:
VOCABULARY TERMS;
electromagnetic wave – A disturbance that transfers energy through a field. radiation – energy that moves in the form of EM waves. EM spectrum – the range of all EM frequencies known. radio waves – EM waves that have the longest wavelengths, the lowest frequencies, and the lowest energies.
Though the sciences generally classify EM waves into seven basic types, all are manifestations of the same phenomenon.
•Radio Waves: Instant Communication.
•Microwaves: Data and Heat.
•Infrared Waves: Invisible Heat.
•Visible Light Rays.
•Ultraviolet Waves: Energetic Light.
•X-rays: Penetrating Radiation
•Gamma Rays: Nuclear Energy
Definition: Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In other words, EM waves are composed of oscillating magnetic and electric fields.
VISUAL REPRESENTATION
Electromagnetic waves are shown by a sinusoidal graph. It consists of time-varying electric and magnetic fields which are perpendicular to each other and are also perpendicular to the direction of propagation of waves. Electromagnetic waves are transverse in nature.
PERSONAL ASSOCIATION/CHARACTERISTICS
As you learned in Wave Motion, all waves have amplitude, wavelength, velocity and frequency.
•Field of Electromagnetic wave.
•Field Angle of Electromagnetic Wave.
•Direction Of Electromagnetic Wave During Propagation.
•Reflection of Electromagnetic Waves.
•Refraction of Electromagnetic Waves.
•Intensity of Electromagnetic Waves.
Explanation:
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