Two Sound Waves,one Wave Is Given by Y₁ = P_o $\omega$

question 73

Multiple Choice

Two sound waves,one wave is given by y₁ = p_o sin (kx - $\omega$ t) and the other by y₂ = p_o sin (kx - $\omega$ t + $\pi$ /2) .The amplitude resulting from the interference of the two waves is

• A)2p_o
• C)1.25p_o

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