A sound of frequency 86.0 Hz is played from two speakers set at two opposite corners of a square room of side length 13.0 m. A listener walks from an empty corner along the wall toward one of the speakers. Assume that the sound speed in air is 344 m/s. (4) How far must the listener walk to reach the first destructive interference? (A) 0; (B) 1.37 m; (C) 1.87 m; (D) 2.37 m; (E) 2.87 m. (5) How far must the listener walk to reach the first constructive interference? (A) 0; (B) 1.37 m; (C) 1.87 m; (D) 2.37 m; (E) 2.87 m. (6) How many destructive interference points does the listener encounter?
A sound of frequency 86.0 Hz is played from two speakers set at two opposite corners of a square room of side length 13.0 m. A listener walks from an empty corner along the wall toward one of the speakers. Assume that the sound speed in air is 344 m/s. (4) How far must the listener walk to reach the first destructive interference? (A) 0; (B) 1.37 m; (C) 1.87 m; (D) 2.37 m; (E) 2.87 m. (5) How far must the listener walk to reach the first constructive interference? (A) 0; (B) 1.37 m; (C) 1.87 m; (D) 2.37 m; (E) 2.87 m. (6) How many destructive interference points does the listener encounter?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Questions 4 through 6 pertain to the situation described below:
A sound of frequency 86.0 Hz is played from two speakers set at two opposite corners of a
square room of side length 13.0 m. A listener walks from an empty corner along the wall
toward one of the speakers. Assume that the sound speed in air is 344 m/s.
(4) How far must the listener walk to reach the first destructive interference?
(A) 0; (B) 1.37 m; (C) 1.87 m; (D) 2.37 m; (E) 2.87 m.
(5) How far must the listener walk to reach the first constructive interference?
(A) 0; (B) 1.37 m; (C) 1.87 m; (D) 2.37 m; (E) 2.87 m.
(6) How many destructive interference points does the listener encounter?
(A) 3; (B) 4; (C) 5; (D) 6; (E) 7.
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