DDIP - Name the 5 reasons why we know that light has a wave behavior.

 

showmethephysics.com / Assessment

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Fill In The Blank Notes

 

Modern Physics - 20th Century

 

  • fundamental nature of light & electromagnetic radiation

 

  • origins & destiny of universe

 

  • parts of the atom

 

  • how energy is absorbed and emitted by electrons

 

  • gravity

 

 

I. Dual Nature of Light - Light appears to exhibit 2 characteristics:

 

 

Wave or Particle????

 

A. Review - 19th Century

Experiments Supporting Wave Theory

 

 

"What wave behavior

is displayed below?"

 

(onsite version)

 

 

 

 

1) Interference - "Double Slit Exp." - constructive/ destructive

 

 

 

 

2) Polarization - "Filtering of Light - Light waves have orientations

 

 

"Actually a picket fence couldn't polarize light.

Why?"

 

 

 

 

 

"The slits in a picket fence are too large to polarize light"

 

 

 

 

 

"Which  wave behavior is shown below?"

| Onsite Version |

 

 

 

 

 3) Diffraction - Spreading out of Light behind a barrier

 

 

 

 

4) Doppler - Color Shift of Light - "Blue to, Red Away"

 

 

 

 

 

 

Photoelectric Effect

 

Review

Explain This!

Show Me Physics YouTube Channel

School blocks YouTube?

Use the link below

OverlappingSoundsPartI.mp4

 

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