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Wave Properties
More Wave Prop.
Harmonics
Sound Waves
Seismic Wavees
100

All waves carry ______________. 

What is energy?

100
The inverse of period.
What is frequency?
100

The harmonic number of a standing wave is the same as the number of __________________ in the standing wave.

What are antinodes?

100
Produced by the vibration of material objects.
What is Sound?
100

The type of wave in an earthquake you feel first.

What is the pressure wave (P wave)?

200

The way in which interference patterns are produced.

What is superposition?

200
The equation for wave speed.
What is v=fλ?
200

The points of destructive interference in a standing wave are called ________________.

What are nodes?

200
Increase in measured frequency from an approaching source.
What is the Doppler Effect?
200
The type of instrument that measure earthquakes.
What is a seismograph (or seisometer)?
300

The medium particles move back & forth (oscillated) perpendicular to direction of wave.

What is a transverse wave?

300
Waves travel at a speed of 4 m/s at a frequency of 2 Hz. Therefore the wavelength must be_________.
What is 2 meters?
300

If the fundamental frequency of a standing wave is 13 Hz, then the frequency of the 4th harmonic will be ________________.

What is 52 Hz?

300

Human beings can hear frequencies between the range of 20 Hz up to __________________.

What is 20,000 Hz?

300

The location where earthquakes occur is referred to as _________________.

What is the epicenter?

400
The period of a wave with a frequency of 50 HZ.
What is 0.02 s?
400
The Sears building sways back and forth every 10 seconds. Therefore thefrequency of its vibrations is _____.
What is 0.1 HZ?
400

If the distance between the boundaries is 7m, then the wavelength of the 4th harmonic of a standing wave is ____________. 

What is 3.5 m?

400

The "pitch" of sound refers to a sound wave's ____________.

What is frequency?

400

Which type of seismic wave cannot travel through liquids?

What are secondary waves (s-waves)?

500

Electromagnetic Waves with the greatest frequency.

What are gamma rays?

500
Waves travel at a frequency of 4.0 Hz. Therefore, their period must be________
What is 0.25 s?
500

If the 5th harmonic frequency of a standing wave is 120 Hz, then the fundamental frequency is __________________. 

What is 24 Hz?

500

Sound requires a medium to propagate through. Therefore it is considered to be a ______________ wave.

What is mechanical?

500

We can determine how far away an earthquake occured by ___________________. 

What is using the time delay between when the P- and S-waves reach you?