Finding Highest Order Node & Antinode: Source Separation d & λ

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To find the highest order node and antinode for two light sources separated by distance d and wavelength λ, one must understand the conditions for constructive and destructive interference. Constructive interference occurs when the path difference between the two waves is an integer multiple of the wavelength, while destructive interference occurs at half-integer multiples. The greatest path difference that can occur between the two sources is determined by the separation distance and the wavelength. This involves calculating the maximum order of nodes and antinodes based on these parameters. Understanding these principles is crucial for solving the problem effectively.
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Homework Statement



if i have source separation between 2 light sources, d, and wavelength, λ, what is the highest order node and antinode?

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The Attempt at a Solution


im not sure where to start for this question I am leaning towards division to cancel out the meters
 
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