Question 1
Two instruments produce a beat frequency of 5 Hz. If one has a frequency of 264 Hz, what could be the frequency of the other instrument?
◦
269 Hz
◦
254 Hz
◦
264 Hz
◦
5 Hz
◦
274 Hz
Question 2
Two organ pipes, a pipe of fundamental frequency 440 Hz, closed at one end, and a pipe of fundamental frequency 660 Hz, open at both ends, produce overtones. Which choice below correctly describes overtones present in both pipes?
◦
After the first overtone of each pipe, every second overtone of the first pipe matches every second overtone of the second pipe.
◦
After the first overtone of each pipe, every second overtone of the first pipe matches every third overtone of the second pipe.
◦
After the first overtone of each pipe, every third overtone of the first pipe matches every second overtone of the second pipe.
◦
After the first overtone of each pipe, every second overtone of the first pipe matches every fourth overtone of the second pipe.
◦
After the first overtone of each pipe, every third overtone of the first pipe matches every fourth overtone of the second pipe.
Transduction of mechanical vibrations to electric signals in the organ of Corti.
Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I
APPLYING A STERILE GOWN AND PERFORMING CLOSED GLOVING 4
A closed fracture.
Organ
What is the frequency of 20-mm microwaves? (c = 3.0 × 108 m/s) A) 100 MHzB) 400 MHzC) 15 GHzD) ...