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The Project

Published on Mar 18, 2016

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PRESENTATION OUTLINE

1.

THE ELECTROMAGNETIC SPECTRUM

2.

RADIO WAVE

  • The wavelength of a radio wave is 1mm
Photo by Wanderlinse
3.

RANGEBOF RADIO FREQUENCY

  • The range is about 3khz to300 ghz
Photo by april-mo
4.

WHAT IS THE SOURCE OF THE WAVE

  • They come from the electromagnetic spectrum
5.

WHO DISCOVERED THIS WAVE

  • Heinrich hertz
  • Discovered it
Photo by zubrow
6.

WHEN DID HE DISCOVERED THEM

  • He discovered them in 1880
Photo by kevin dooley
7.

DO RADIO EAVES HAVE A EFECT ON PEOPLE

  • Of course that's why we have the radio
Photo by be creator
8.

ARE THEY HARMFUL TOO PEOPLE

  • Yes they are harmful
Photo by | Tico|
9.

DIVICES

  • The radio is one invention
Photo by Jon Chevier™
10.

TV

  • TV also is a device invented because of this
Photo by William Hook

Manuel Nava