the spectrum
what is the electromagnetic spectrum in order?
Gamma Rays(shortest wavelength, high f) X-rays Ultraviolet Visible Infra-red Microwave Radio(longest wavelength, low f)
what do wave carry from one place to another?
energy
is the wavelength the smallest or longest?
smallest
what are the sources ?
x-ray tubes
sources?
sun, hot objects and lamps
high frequency equals to
short wavelength
do they need a medium to travel through?
no
what are the sources?
nuclei of radioactive atoms and cosmic rays
........the detection?
photographic film and fluorescent screen
Detection?
photographic film, fluorescent chemicals and photo cells
low frequency equal to
long wavelength
what do they carry?
they carry no charge
what are the detection?
photographic film and muller tube
.........the properties?
hospital takes x-ray pics of bones and treat skin disorders
x-ray used in airport checking bags and luggage
properties?
causes sun burns, detect fake money and cure layer of gel
what is frequency to wavelength?
frequency is inversely proportional to wavelength
what are the properties?
very penetrating and dangerous
kill cancerous cells
sterilization