4.4 Doppler Effect Practice

What direction is the source moving?

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• 
• 
• 
• The object is at rest

What direction is the source moving?

• 
• 
• 
• 
• The object is at rest

What direction is the source moving?

• 
• 
• 
• 
• The object is at rest

What direction is the source moving?

• 
• 
• 
• 
• The object is at rest

What direction is the source moving?

• 
• 
• 
• 
• The object is at rest

What direction is the source moving?

• 
• 
• 
• 
• The object is at rest

What direction is the source moving?

• 
• 
• 
• 
• The object is at rest

Which source is moving faster

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• 

What direction is the source moving?

• 
• 
• 
• 
• The object is at rest

Which of the following observed properties of a wave is changed by the doppler effect

• Amplitude

• Frequency

• Velocity

• Speed