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Page 1: Waves. The time it takes for one wavelength to pass is called the period. The number of wavelengths passing at a given time is called frequency

Waves

Page 2: Waves. The time it takes for one wavelength to pass is called the period. The number of wavelengths passing at a given time is called frequency

Waves

The time it takes for one wavelength to pass is called the period.The number of wavelengths passing at a given time is called frequency.

Page 3: Waves. The time it takes for one wavelength to pass is called the period. The number of wavelengths passing at a given time is called frequency

Waves

Sound travels in a wave. The wave is caused by air particles vibrating back and forth.

Page 4: Waves. The time it takes for one wavelength to pass is called the period. The number of wavelengths passing at a given time is called frequency

Waves

When the source of sound moves, it creates a Doppler Effect. Notice how the waves are more compressed at the front of the truck then behind it.

Page 5: Waves. The time it takes for one wavelength to pass is called the period. The number of wavelengths passing at a given time is called frequency

Waves

This change in the compression of the waves changes the sound of vehicle as it drives by.

Page 6: Waves. The time it takes for one wavelength to pass is called the period. The number of wavelengths passing at a given time is called frequency

Waves

Light also has characteristics of a wave.

Page 7: Waves. The time it takes for one wavelength to pass is called the period. The number of wavelengths passing at a given time is called frequency

Waves

The Doppler Effect of light is how we study our galaxy in relation to other ones in the known universe. Light has a Doppler Effect just like sound.

Page 8: Waves. The time it takes for one wavelength to pass is called the period. The number of wavelengths passing at a given time is called frequency

Waves

When the source of light is moving away from the observer it is called the red shift.When the source of light is moving toward the observer it is called the blue shift.


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