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2011-10-14 14:28:46
2011-10-14 14:28:46

they can travel without a medium.


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Radio waves ARE electromagnetic waves.

Electromagnetic waves have been classified as the mode of production differs from one to the other.

Sound waves and electromagnetic waves are different. Sound is composed of density waves in the air or some other form of matter. Sound is a mechanical compression-rarefaction wave. The different types of electromagnetic waves are gamma rays, X-rays, ultraviolet rays, visible light, infrared radiation, microwaves, and radio waves.

The electromagnetic spectrum organizes different types of electromagnetic waves according to their wavelength or frequency.

No, different types of electromagnetic waves have different wavelengths. In general, the lower the frequency, the higher the wavelength, because the speed of electromagnetic waves is a constant.

mechanical waves need a medium to travel through and electromagnetic waves don't

electromagnetic waves can travel through vacuum while water waves travel in water.

Electromagnetic waves and acoustic waves.

It means explain how electromagnetic waves are different than water and sound waves.

There are basically two types of waves;mechanical and electromagnetic waves.Mechanical waves are waves that require a material medium for their peopagation e.g sound waves, water waves e.t.c.On the other hand, electromagnetic waves are waves that do not require a material medium for its propagation e.g light waves, gamma rays.As indicated from the above definitions, the main difference between mechanical waves and other waves(electromagnetic waves) is is that sound waves require a material for its propagation while the latter does not.

Radio waves are electromagnetic waves and are a part of the electromagnetic spectrum. Other electromagnetic waves in the electromagnetic spectrum are microwaves, visible light, infrared, ultraviolet, x-rays, and gamma rays

Ultrasonic waves are high frequency sonic waves. They're sound, which is mechanical energy. Electromagnetic waves are waves of electromagnetic energy, like radio waves or light. Mechanical energy is different from electromagnetic energy, hence the reason for ultrasonic waves not taking the form of electromagnetic waves.

I think you are confusing something. Sound waves, and electromagnetic waves, are two different types of waves.

Electromagnetic waves, just like light, but with different frequency and wavelength.

Sound wave is not an example of electromagnetic wave

Radio waves ARE electromagnetic waves.Other electromagnetic waves have names like microwave, infrared, heat, yellow light,orange light, violet light, ultraviolet, X-rays, gamma rays.The only difference between any of them is that they all have different frequencies.That's also the same as saying they all have different wavelengths.

The biggest difference is that mechanical waves require a medium to travel through and electromagnetic waves do not.

gamma rays,electromagnetic waves

they are different because these waves can travel through empty space

We give other electromagnetic waves different names because their frequencies/wavelengths are different from those of light. But they're all really the same thing as light.

I would describe it as different frequencies of electromagnetic waves, and list the different ranges of electromagnetic waves, such as visible light, x-rays, etc.

Electromagnetic waves; gravity waves.Electromagnetic waves; gravity waves.Electromagnetic waves; gravity waves.Electromagnetic waves; gravity waves.

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