Two Separated Sources Emit Sinusoidal Traveling Waves That Have the Same

question 67

Multiple Choice

Two separated sources emit sinusoidal traveling waves that have the same wavelength $\lambda$ and are in phase at their respective sources.One travels a distance $\lambda$ ₁ to get to the observation point while the other travels a distance $\lambda$ ₂.The amplitude is a minimum at the observation point if $\lambda$ ₁ $\lambda$ ₂ is:

• A)an odd multiple of \(\lambda\) /2
• B)an odd multiple of \(\lambda\) /4
• C)a multiple of \(\lambda\) .
• D)an odd multiple of \(\lambda\) /2.
• E)a multiple of \(\pi\)

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