# Mini-Quiz: Equation for Sound Created from a Wire

by Ron Kurtus

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

1. What happens when you go from a one-dimension string to a wire with a diameter?

The equation for the frequency becomes less accurate

The sounds become louder

You get more harmonics

2. If used a thinner wire, what would happen to the frequency?

It would decrease

It would stay the same

It would increase

3. If you double the length of the wire, what happens to the frequency?

It is twice the original frequency

It is 1/2 of the original frequency

It is 800 Hz

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.

Strive for success

## Resources and references

Ron Kurtus' Credentials

The following resources provide information on this subject:

### Websites

Vibrating String - Hyperphysics

Vibration of Stretched Strings - TutorVista.com

Vibrating string - Wikipedia

Physics Resources

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www.school-for-champions.com/science/
mini-quiz_sound_from_wire_equation.htm

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