Relation between phase difference (Delta phi) and path difference (Del

1.	Relation between phase difference (Delta phi) and path difference (Deltax) is ......
Answer» `Delta phi= (2pi)/(LAMDA) Delta x` `Delta phi = 2pi lamda Delta x` `Delta phi = (2pi lamda)/(Delta x)` `Delta phi = (2 Deltax)/(lamda)` Solution :Wave-vector K indicates PHASE difference between two particles, separated by unit DISTANCE, along the directon of propagation of wave. Hence phase difference between two particles separated by distance `Delta x` WOULD be: `Delta phi = k (Delta x)` `therefore Delta phi = (2pi )/(lamda ) Delta x (because k = (2pi )/(lamda ))`

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