Q1: Two loudspeakers emit sound waves with the same wavelength and the same ampl

Question

Q1: Two loudspeakers emit sound waves with the same wavelength and the same amplitude (but did not start off the same). The waves are shown displaced, for clarity, but assume that both are traveling along the same axis. The path difference of the waves from the two speakers is:

half wavelegth.

2.0 m

one wavelegth.

two wavelegths.

Q2: Two loudspeakers emit sound waves with the same wavelength and the same amplitude. The waves are shown displaced, for clarity, but assume that both are traveling along the same axis. At the point where the dot is, the ratio of path difference to wavelength is:

1

2

1/2

1.5

half wavelegth.

2.0 m

one wavelegth.

two wavelegths.

Q2: Two loudspeakers emit sound waves with the same wavelength and the same amplitude. The waves are shown displaced, for clarity, but assume that both are traveling along the same axis. At the point where the dot is, the ratio of path difference to wavelength is:

1

2

1/2

1.5

Explanation / Answer

Here wavelength is 2m. And path difference is 1m.

So the path difference is half wavelength

Ratio of path difference to wavelength = 0.5wavelength/wavelength = 1/2.

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