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Communications over long distances are economically achieved by the utilization of radio waves.

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10y ago

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Do car keys use radio waves?

yes,they do use radio waves


What makes radio waves?

Aside from radio transmiters set up by humans. nearly every thing emenates high frequency radio waves.


Can radio waves be seen by animals or humans?

No nobody can see any type of waves


How do humans use waves?

Humans use waves in various ways, such as for communication through radio waves, navigation through GPS signals, heating food through microwaves, and seeing objects through light waves (such as in optical technology). Waves are also used in medical imaging techniques like ultrasound and X-rays for diagnosing diseases.


What is is radio sound heard through the use of?

Radio sound is heard through the use of radio waves, which are electromagnetic waves that can carry information from one point to another. These waves are transmitted from a radio station and received by a radio receiver, such as a radio or smartphone, which then converts the waves into sound waves that we can hear.


How radio waves harmful?

Radio waves are harmful to people because they give off radiation. Radiation is known to cause cancer in humans.


Do walkie talkies use radio waves?

Yes. A good rule of thumb is that if the device has an antenna, it uses radio waves. An antenna would not be needed if it didn't use radio waves.


What is a radio wave?

Radio waves are electromagnetic waves. The radio waves have the longest wavelengths in the electromagnetic spectrum. A radio wave has a much longer wavelength than does visible light. We use radio waves extensively for communications.


What is the use of radio waves?

hearing FM and am news in radio


What types of waves do mobile phones use?

radio waves.


What are the potential health risks associated with radio waves and how are radio waves harmful to humans?

Exposure to radio waves from devices like cell phones and Wi-Fi routers has been linked to potential health risks such as headaches, fatigue, and sleep disturbances. Some studies suggest a possible connection to cancer, although more research is needed to confirm this. Radio waves can be harmful to humans by potentially disrupting the body's natural electromagnetic fields and causing cellular damage. It is important to limit exposure to radio waves and use devices responsibly to minimize any potential health risks.


What electromagnetic waves can humans not see?

Humans cannot see ultraviolet, infrared, or radio waves as they fall outside the visible spectrum of light. Ultraviolet waves have wavelengths shorter than violet light, while infrared waves have wavelengths longer than red light. Radio waves have even longer wavelengths.