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Understanding Sound Intensity and Decibels

Understanding Sound Intensity and Decibels

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

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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