An echo is heard after 5 s of the production of sound which moves with a speed of 340 m/s. What is the distance of the mountain from the source of sound which produced the echo?
A. 0.085 km
B. 0.85 km
C. 0.17 km
D. 1.7 km
Answer: Option B
A. 0.085 km
B. 0.85 km
C. 0.17 km
D. 1.7 km
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
Join The Discussion