Answer :

akaleti47
[tex] 3\lambda_{red} = 4\lambda_{blue} [/tex]

its clear from the figure where the both waves intersect at the middle. you can count the number of wavelengths upto the point of intersection.

hence answer is the required ratio (red:blue) is 4:3
obritschkewitsc

Answer:

4:3 is correct.

Step-by-step explanation:

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