Sound is heard over longer distances or rainy days because
A. sound travels slowly in moist air
B. sound travels faster in moist air
C. moist air does not absorb sound
D. moist air absorbs sound
Answer: Option B
A. sound travels slowly in moist air
B. sound travels faster in moist air
C. moist air does not absorb sound
D. moist air absorbs sound
Answer: Option B
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
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