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I understand that this concept is about 2 (or more) waves meeting in constructive (when waves are added to form larger amplitude wave) or destructive (when waves are subtracted to form smaller amplitude waves) inteference but I don't really understand what path difference is about?
I've read up and it shows me many numerical interpretations but I can't understand how I can relate it to superposition.
It would be helpful if someone can explain the concept of path difference. Thank you in advance.
I've read up and it shows me many numerical interpretations but I can't understand how I can relate it to superposition.
It would be helpful if someone can explain the concept of path difference. Thank you in advance.