The sound from a single source can reach point O by two different paths.One path is long and the second path is 21.0 m long.The sound destructively interferes at point O.What is the minimum frequency of the source if the speed of sound is 340 m/s?
A) 340 Hz
B) 6800 Hz
C) 520 Hz
D) 680 Hz
E) 170 Hz

Question

The sound from a single source can reach point O by two different paths.One path is  long and the second path is 21.0 m long.The sound destructively interferes at point O.What is the minimum frequency of the source if the speed of sound is 340 m/s?
A) 340 Hz 
B) 6800 Hz 
C) 520 Hz 
D) 680 Hz 
E) 170 Hz

Quizplus · Accepted Answer

The Answer of The sound from a single source can reach point O by two different paths.One path is  long and the second path is 21.0 m long.The sound destructively interferes at point O.What is the minimum frequency of the source if the speed of sound is 340 m/s?
A) 340 Hz 
B) 6800 Hz 
C) 520 Hz 
D) 680 Hz 
E) 170 Hz

The Sound from a Single Source Can Reach Point O