If the sources A and B in the figure ( Figure 1 ) are emitting waves of waveleng

Question

If the sources A and B in the figure (Figure 1) are emitting waves of wavelength %u03BB that are in phase with each other,constructive interference will occur at point P if (there may be more than one correct choice):

A. x=y

B. x+y=%u03BB

C. x-y=2%u03BB

D. x-y=5%u03BB

I just don't understand the question, thank you!

D

If the sources A and B in the figure (Figure 1) are emitting waves of wavelength %u03BB that are in phase with each other, constructive interference will occur at point P if (there may be more than one correct choice): x=y x+y=%u03BB . x-y=2%u03BB . x-y=5%u03BB

Explanation / Answer

contructive interference will takes place if x+y = mL = maxiumum

.e both A and B are correct

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