

Understanding Sound Intensity and Decibels
Interactive Video
•
Physics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main challenge in determining the sound level when the number of speakers is doubled?
The linear nature of decibels
The non-linear nature of decibels
The increase in power consumption
The decrease in sound quality
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are decibels related to sound intensity?
They are unrelated
They are inversely proportional
They are directly proportional
They are related through a specific equation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a single speaker produces 50 decibels of sound, what is the intensity of this sound?
10 to the minus fifth watts per meter squared
10 to the minus eighth watts per meter squared
10 to the minus sixth watts per meter squared
10 to the minus seventh watts per meter squared
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the sound intensity when the number of speakers is doubled?
The intensity remains the same
The intensity is halved
The intensity is tripled
The intensity is doubled
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the decibel level when two speakers produce sound together?
53 decibels
52 decibels
51 decibels
50 decibels
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