Module 2.1 Lesson 2: The Application of Electromagnetic Spectrum Flashcards
Uses any radio waves to send signals from the Internet server to any gadget.
Wi-fi
Longest wavelengths in the EM Spectrum.
Radio waves
Have the lowest energy and frequency
Radio waves
Used in transmission of sounds in electronics. It can also travel in long distances.
Radio waves
Shorter than the Radio waves
Microwaves
Used in weather forecasting
Microwave Doppler Radars
Navigation system of ships and aircrafts.
Microwaves
All bodies release (blank) because every object has thermal energy.
Infrared radiation
Lies between the visible light and microwave region of the EM Spectrum.
Infrared waves
Used in short-range communications.
Infrared waves
The only EM wave that can be perceived by our eyes.
Visible Light
Composed of the same colors in the rainbow.
Visible Light
When electrons in the atoms becomes too excited, the can be what?
Luminous
Shorter than the visible light.
Ultraviolet waves
One of its uses is to detect counterfeited money.
Ultraviolet waves
A more energetic region of the EM Spectrum.
X-Rays
Discovered by Wilhelm Roentgen
X-Rays
Can pass through soft tissues except high-density materials such as the bones.
X-Rays
Shortest wavelength
Gamma Rays
Have the highest energy and frequency
Gamma Rays
Emitted during radioactive decay
Gamma Rays
Most penetrating among all the EM waves.
Gamma Rays
Speed of the EM waves
300,000,000 m/s
Long wavelength
Low frequency and energy
Short wavelength
High frequency and energy
