1. How do we use electromagnetic energy?



2. What are the 7 electromagnetic waves and their uses?







3. Why is it called electromagnetic?​


Sagot :

Answer:

1.Up to the end of the microwave spectrum, most all modern conveniences that use electromagnetic energy in one way or another are in the lower frequency region, including millimeter waves, cell phones, WiFi, microwave ovens, space and terrestrial communications, radar for airports and military uses, AM and FM radio, ...

  • 2.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.

3.The waves of energy are called electromagnetic (EM) because they have oscillating electric and magnetic fields. ... If it has low frequency, it has less energy and could be a TV or radio wave. All EM energy waves travel at the speed of light. No matter what their frequency or wavelength, they always move at the same speed.

Explanation:

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