A sound wave generated by a musical note has the characteristics presented
in the table. What is the missing value?
Medlum
Wave speed
(m/s)
Frequency
(Hz)
Wavelength
Air
346
55
6.3
Glass
5,640
55
102
Aluminum
6,420
55
?
A. 123
B. 55
C. 117
D. 73 The answer is 117