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Progressive waves
[object Object],[object Object]
Waves   ,[object Object],[object Object],[object Object],[object Object],[object Object]
Graphical representation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Wavelength, frequency and wave speed ,[object Object],[object Object],[object Object],[object Object],[object Object]
Phase
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Path difference
[object Object],[object Object],[object Object],[object Object],[object Object]

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Progressive Waves