Review - Standing Waves

St. Mary's Physics YouTube Channel

 

 

D) Diffraction – the spreading out of a wave into the region behind an obstacle

 

| Onsite Version |

 

Wave/Slit/Diffraction

 

 

 

Amount of Diffraction
 Depends on
 Wavelength &
Size of Slit

 

 

 

| Fnteractive - Full Screen |

 

 

 


Diffraction
increases
when size of the
slit
 approaches  
wavelength size
.



 

 

 

 

 

Which slit will

cause light to

diffract the most?

 

 

 

 

 

Answer (A)
Diffraction is
greatest when the slit is small compared to the wavelength of the wave.

 

Why does amount of diffraction increase
as the size of the slit decreases?
Molecular Expressions 

 

Review - Which slit will create the most diffraction? 

 

Reflection

Enrichment

 

Review - Name that Wave!

Show Me The Physics
YouTube Channel

School Blocks YouTube?
Download the file below.

Name that Wave!.mp4

 

 

 

 

More on Diffraction
 University of British Columbia

 

 

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