At P₂ the Waves from Sources S₁ and S₂ Shown

question 103

Multiple Choice

At P₂ the waves from sources S₁ and S₂ shown in the figure

• A) are in phase.
• B) have a path difference of one wavelength.
• C) have a path difference of one-half wavelength.
• D) are interfering constructively.
• E) None of these is correct.

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