Multiple Choice
A point source emits sound waves with a power output of 100 watts. What is the sound level (in dB) at a distance of 10 m?
A) 139
B) 119
C) 129
D) 109
E) 10
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q45: The variation in the pressure of helium
Q46: A wave generated in a medium is
Q47: By what factor will an intensity change
Q48: Bats can detect small objects such as
Q49: Exhibit 16-1<br>The figure below shows a sine
Q51: Calculate the displacement amplitude (in m) of
Q52: The variation in the pressure of helium
Q53: A piano string of density 0.005 0
Q54: Ocean waves with a wavelength of 120
Q55: Find the period of a wave of