Podcast
Questions and Answers
Which type of electromagnetic wave has the longest wavelength and lowest frequency?
Which type of electromagnetic wave has the longest wavelength and lowest frequency?
- Gamma rays
- Microwaves
- Radio waves (correct)
- Ultraviolet
What are radio waves mainly transparent to, except for layers of charged particles in the ionosphere?
What are radio waves mainly transparent to, except for layers of charged particles in the ionosphere?
- X-rays
- Ultraviolet rays
- Microwaves (correct)
- Infrared rays
What can microwaves penetrate into and deposit their energy below the surface?
What can microwaves penetrate into and deposit their energy below the surface?
- Ultraviolet rays
- Radio waves
- Materials (correct)
- Metal conductors
In which systems are radio waves widely used to transmit information across distances?
In which systems are radio waves widely used to transmit information across distances?
What are microwaves also used for besides cooking?
What are microwaves also used for besides cooking?
Which type of electromagnetic wave can penetrate into materials and deposit their energy below the surface?
Which type of electromagnetic wave can penetrate into materials and deposit their energy below the surface?
What are radio waves mainly transparent to, except for layers of charged particles in the ionosphere?
What are radio waves mainly transparent to, except for layers of charged particles in the ionosphere?
In which systems are radio waves widely used to transmit information across distances?
In which systems are radio waves widely used to transmit information across distances?
What can microwaves penetrate into and deposit their energy below the surface?
What can microwaves penetrate into and deposit their energy below the surface?
Which type of electromagnetic wave has the longest wavelength and lowest frequency?
Which type of electromagnetic wave has the longest wavelength and lowest frequency?
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