Multiple Choice
A speaker is designed for wide dispersion for a high frequency sound.What should the diameter of the circular opening be for a speaker where the desired diffraction angle is 11° and a 9100 Hz sound is generated? The speed of sound is 343 m/s.
A) 0.039 m
B) 0.077 m
C) 0.24 m
D) 0.13 m
E) 0.048 m
Correct Answer:

Verified
Correct Answer:
Verified
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