Globalisation

SOURCES, DETECTORS AND USES OF ELECTROMAGNETIC WAVES

Short notes by Komolafe Daisi Israel

E-mail :- comlafe2004@yahoo.com





ELECTROMAGNETIC SPECTRUM: THE MEMBERS, IN DECREASING and DECREASING ORDER OF WAVELENGTH AND FREQUENCY RESPECTIVELY IS CODED hither AS R I V U X - G





R = wireless WAVES

I= INFRA-RED

V = VISIBLE RAYS (MEMBERS are CODED INTO R O Y G B I V , ALSO IN THE SAME ORDER AS IN ABOVE. R stands for red light, O for Orange, etc.)

U = ULTRA-VIOLET

X = X-RAYS

G= GAMMA RAYS

NOTE: MICROWAVES ARE SHOT WAVELENGTH RADIO WAVES. A go bad band may be created for it betwixt tuner waves and infrared, but since they are radio waves, such separate band is not necessary.





| |waves |sources |detector |uses |
|1 | radio waves |Radio and TV |Radio aerial |Communications through radio and TV |
| | |transmitting antenna, | |Telephone links |
| | |galaxies and stars | |Microwaves for cooking forage |
|2 | infrared radiation |Hot objects, electric |Special films |Infrared remote control |
| | |fire, the sun |Skin. |Heating |
| | | |Blackened thermometer | winning temperature picture ( in infrared |
| | | |Electronic detectors |camera) |
| | | | |In heat...If you demand to get a full essay, order it on our website: Orderessay



If you want to get a full essay, wisit our page: write my essay .