The Electromagnetic Spectrum- Physics Flashcards
(17 cards)
what are radio waves used for mainly
communictaions
what type of radiation is a radio wave
electromagnetic
what are microwaves used for
satellite communication and heating food
whats infrared radiation also known as
heat radiation
what is infrared radiation used for
heating and to monitor temperature
the hotter the object the more or less infrafed radiation does it give out
more
True or false? Infrared radiation contains particles.
false -type of electromagnetic wave so does not contain particles.
The wavelength of X-rays is __________ __________ the wavelength of visible light. Which phrase completes the sentence.
shoter than -X-rays come after visible light in the order of electromagnetic waves, so have a shorter wavelength.
What type of electromagnetic wave is used to transmit information to televisions?
radio waves
What type of electromagnetic radiation does sun cream protect the user from?
ultraviolet
__________ radiation is the type of electromagnetic radiation that causes the skin to tan. What one word completes the sentence?
ultraviolet
what type of enegry does infrafed radiation give out
heat energy
What is the main danger of exposure to too much infrared radiation?
skin burns
Is light an electromagnetic wave?
yes
UV rays from the sun can cause damage to humans’ skin and… what other body parts?
eyes
Gamma rays can lead to mutation and… what disease?
cancer
Which have the longer wavelength, radio waves or microwaves?
radio waves
