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Sound, Vibration, and the Doppler Effect Quiz

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Sound, Vibration, and the Doppler Effect: a General level Physics quiz. Test your knowledge with 12 questions!

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Questions

Question 1

What is the phenomenon of a sound source moving faster than sound called?

A Echo effect

B Resonance

C Diffraction

D Sonic boom

Question 2

What causes the change in frequency heard by a stationary observer?

A Light refraction

B Magnetic field

C Gravity

D Doppler effect

Question 3

What is the unit used to measure sound intensity?

A Watt

B Volt

C Decibel

D Hertz

Question 4

A sonic boom is produced by an object moving at what speed?

A Supersonic

B Constant speed

C Zero speed

D Subsonic

Question 5

If a source moves away from you, how does the pitch change?

A Becomes silent

B Increases

C Remains constant

D Decreases

📋 This quiz has 12 questions in total.