difraction Flashcards
what is diffraction
when a wave bends around an obstacle in it path
does the long or short wavelength diffract more
long
does the long or short wavelength diffract more
long
witch part of the spectrum has the longest wavelength
radio waves
would a short wavelength be able to reach past the obstacles
no it doesn’t difraction past the obstacles
if you live in a hilly area which signal would you pick up better and why
a radia signal because they have a longer wavelength therefore diffract more
what are radia used for
communication
what are TV waves used for
comunication
what are micro waves used for
to heat up food
mobile phone communication
cooking food
what are infra red waves used for
night vision camera and thermal graphs
what are ultra Violet waves used for
checking security markings on bank note
used for tanning
for sunbeds
what are x-rays used for
used for checking the bones withought operating
and checking for explosive items in airport lugguage
what are gamma rays used for
radio therapy
