Electromagnetic Energy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the electromagnetic properties? | frequency, wavelength, velocity, amplitude
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| What formulas are used to describe how electromagnetic energy behaves? | wave equation, inverse square law
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| A field or state of energy found all around us. Also found in x-rays, radiowaves, microwaves, and visible light is called: | electromagnetic energy
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| An uninterrupted (continuous) ordered sequence of energy that exist over a wide range. | continuum
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| The smallest quantity of any type of electro-magnetic energy. | photon
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| The photon, a small bundle of energy that travels through space at the speed of light, is also referred to as a: | quantum
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| Velocity, or speed of light, is equal to what? | 186,000 miles per second
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| What is the SI unit for velocity (speed of light)? | 3 x 10^8 m/s
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| Do photons have mass? | no
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| Do photons have electrical and magnetic fields? | yes
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| A variation in the movement of photons in electrical and magnetic fields. | sinewave
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| The gravitational field that governs the interaction of electrostatic charges is the: | electric field
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| The gravitational field that governs the interaction of magnetic poles is the: | magnetic field
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| Oscillation of electricity in both directions within a conductor. | alternating current
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| Flow of electricity in one direction within a conductor. | direct current
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| One-half the range from crest to valley over which the sine wave varies refers to the: | amplitude
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| The number of wavelengths that pass a point of observation per second; rate of rise and fall. | frequency
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| What is the measurement of frequency? | hertz (Hz)
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| The distance form one crest to another, from one valley to another, or from any point on the sine wave to the next corresponding point. | wavelength
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| The three wave parameters needed to describe electromagnetic energy are: | velocity, frequency, wavelength
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Created by:
sunshineb
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