Fourth year of secondary education
Undulatory phenomena
José Luis San Emeterio Peña
 Waves 
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   The antenna emits electromagnetic waves that your radio turns into sound waves.

   Undulatory phenomena are part of the world around us. Sounds reach us by means of waves, we perceive light as waves; you could say that it is through waves that we get almost all the information that we possess. 

   By analysing undulatory phenomena as simple as waves extending across a puddle or the peaks and troughs propagated along a shaking rope, we will try to study the general characteristics of all undulatory movements.

    By clicking on the Forward link, you will be able to find out the objectives of the unit in detail.     

What is a harmonic vibration?
Definition of H.V.
Important magnitudes
Conclusions
What is a wave?
Transverse waves
Longitudinal waves
The waves of the sea
Conclusions
The superposition of waves
The phenomenon of interference
Stationary waves
Conclusions
The phenomenon of diffraction
Wavefronts
Diffraction
Conclusions
Other properties of waves
Reflection
Refraction
Conclusions
Evaluation