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Interference: Mathematically Example Problem What type of interference occurs at points P, Q, and R? Point Ar as GAE Solution To measure r 1 for point P. just count the number of path carried between as a multiple of wavelength. Now, distance between source 1 and point P is 2*lambda distance between source 1 and point Q is 3*lambda distance between source 1 and R is 2.3*lambda Similarly, distance between source 2 and point p is 3*lambda distance between source 2 and point Q is 1.2*lamda distance between source 2 and point R is 3*lambda Therefore, type of interference At P , Destructive At Q , Constructive At R, Constructive .

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Interference: Mathematically Example Problem What type of interference occurs at points P, Q, and R? Point Ar as GAE Solution To measure r 1 for point P. just count the number of path carried between as a multiple of wavelength. Now, distance between source 1 and point P is 2*lambda distance between source 1 and point Q is 3*lambda distance between source 1 and R is 2.3*lambda Similarly, distance between source 2 and point p is 3*lambda distance between source 2 and point Q is 1.2*lamda distance between source 2 and point R is 3*lambda Therefore, type of interference At P , Destructive At Q , Constructive At R, Constructive .

- 1. Interference: Mathematically Example Problem What type of interference occurs at points P, Q, and R? Point Ar as GAE Solution To measure r 1 for point P. just count the number of path carried between as a multiple of wavelength. Now, distance between source 1 and point P is 2*lambda distance between source 1 and point Q is 3*lambda distance between source 1 and R is 2.3*lambda Similarly, distance between source 2 and point p is 3*lambda distance between source 2 and point Q is 1.2*lamda distance between source 2 and point R is 3*lambda Therefore, type of interference At P , Destructive At Q , Constructive At R, Constructive