What is the frequency of Infrasonic waves?
A. More than 20Hz
B. Between 20Hz to 2000Hz
C. Less than 20Hz
D. None of the above
Answer: Option C
A. More than 20Hz
B. Between 20Hz to 2000Hz
C. Less than 20Hz
D. None of the above
Answer: Option C
Which of the following substances will have the lowest speed of sound?
A. Water
B. Steel
C. Glasss
D. Air
What is the approximate range of sound for humans?
A. 20Hertz to 2000 Hertz
B. 20Hertz to 200Hertz
C. 20 Hertz to 20000 Hertz
D. 2 Hertz to 2000 Hertz
Loudness of sound depends upon which of the following?
A. Frequency
B. Wavelength
C. Amplitude
D. Overtones
A. On land
B. In air
C. In space
D. Underwater
Join The Discussion