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Answer: 2(2n+1) λ is the path difference for the destructive interference
- When two signals of similar wave number transport in a channel, they subsequent at various moments differ from the cumulative of their intensities. When it becomes too little and unnoticeable at last then that point is called to be Destructive Interference.
- Destructive interference happens when waves collide in such a way that they entirely deactivate out each other’s signals. When two signals dysfunction ally interfere, their amplitudes must be exactly the same but should occur in opposite directions.
