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Initialize: 2*d sin(cta)= lambda;
You can adjust d,cta and lambda (wavelength)
And you will find the outgoing waves only in phase at particular angle which satisfy
2*d sin(cta)= n*lambda Bragg diffraction occurs when radiation, with a wavelength comparable to atomic spacings, is scattered in a specular fashion by the atoms of a crystalline system, and undergoes constructive interference Bragg's law, which describes the condition on θ for the constructive interference to be at its strongest: 2*d*sinθ = n λ where n is a positive integer and λ is the wavelength of the incident wave  

For Teachers

Translations

Software Requirements

SoftwareRequirements

Android iOS Windows MacOS
with best with Chrome Chrome Chrome Chrome
support fullscreen? Yes. Chrome/Opera No. Firefox/ Sumsung Internet Not yet Yes Yes
cannot work on some mobile browser that don't understand JavaScript such as..... cannot work on Internet Explorer 9 and below

 

Credits

Fu-Kwun Hwang; Fremont Teng; Loo Kang Wee

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Sample Learning Goals

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For Teachers

 

Instructions

Sliders

Drag the sliders to adjust their respective variables.
 
(Default)


(Adjusting the d slider)


(Adjusting the theta slider)


(Adjusting the lambda slider)

Toggling Full Screen

Click anywhere in the panel to toggle full screen.
 

Play/Pause and Reset Buttons

Plays/Pauses and resets the simulation.

Research

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Video

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 Version:

Other Resources

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