Two astronauts cannot hear each other on the Moon's surface, because
A. Their ears have stopped working on the Moon
B. No atmosphere on the Moon
C. They wear special space suits on the Moon
D. The sound travels much more slowly on Moon
Answer: Option B
Related Questions on Sounds waves and Motion
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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