Interference and the Double Slit Experiment by dffhrtcv3

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									Interference, the Double
Slit Experiment, Single
Slit Diffraction and the
Diffraction Grating
Central Maxima




      Same distance to screen
      Start in phase
      Constructive interference
First Order Maxima

             S


                 S



    ΔS = λ
Second Order Maxima

             S


                 S



   ΔS = 2λ
First Order Minima

             S


                 S



        1
    S  
        2
Second Order Minima

            S


                S



       3
   S  
       2
Single Slit
                S


                    S

a

            
     S 
            2
    Diffraction Grating



d
        θ

								
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