A .) What is the electromagnetic wave of this DESCRIPTION ?
( Radio wave , Microwave , Infrared radiation ,
Ultraviotion radiation , X-ray , Gamma ray )
1.) it has highest frequency
2.) it has the highest penetrating power
3.) it makes us feel worm
4.) it causes fluorescent materials to glow
5.) it causes materials to golw
6.) it causes skin cancer upon excessive exposure
7.) it is absorbed by our skin to produce vitamin D
8.) it is produced by allowing fast-moving electrons to strike a heavy metal
9.) it is emitted from the nuclei of atoms in radioactive substances
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B.) A .) What is the electromagnetic wave of this USES ?
( Radio wave , Microwave , Infrared radiation ,
Ultraviotion radiation , X-ray , Gamma ray )
1.) used in alarm sensors to detect for burglars
2.) used in detectors to see objects in the dark
3.) used in satellite communication
4.) used in remote control to operate television sete
5.) used in boradcasting signals form teleision stations
6.) to check for fake banknote
7.) to treat certain kind of caners
8.) to examine luggage at airports
9.) to sterilise drinking water
10.) to detect bone fractures
11.) to help drivers find their locations by using the Satellite Global
Positioning System
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Thank you !