Constal What is the lowest frequency at which destructive interference will occur at this point if the speakers are in phase? f = 214 Hz Two loudspeakers are 1.70 m apart. A person stands 3.00 m from one speaker and 3.80 m from the other. Submit Previous Answers v Correct Part B Calculate two other frequencies that also result in destructive interference at this point (give the next two highest). Let T= 20°C. Enter your answers numerically separated by a comma.

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Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.