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Mini-Quiz: Detecting Sound Waves

by Ron Kurtus

Take this Mini-Quiz to check your understanding of the lesson material.

1. How does sound cause things to vibrate?

The mechanical motion of the sound waves is transferred from one material to the other

The sound circles around the object until it shakes

Sound can only make air vibrate

2. What is the purpose of processing the signal created by a detector from a sound wave?

To make the signal useful

To demonstrate it can be done

The sound is processed, not the signal

3. Why would you cup your ears with your hands when trying to hear faint sounds?

To focus more sound waves into your ears

To make your hands vibrate

It is a gesture to make people talk louder

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

Be proud of your work

Resources and references

Ron Kurtus' Credentials

The following resources provide information on this subject:


The Power of Hearing - From PhysicsWeb magazine

Mircophones - From HyperPhysics

Physics Resources


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Mini-Quiz: Detecting Sound Waves

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