Doppler Effect & Sonic Booms
Quiz
•
Physics
•
12th Grade
•
Hard
Leroy Brooks
Used 6+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What happens to the wavelength and apparent frequency when the source is moving and continues to emit sound as it travels CLOSER to you?
Wavelength becomes longer and frequency increases
Wavelength becomes shorter and frequency increases
Wavelength becomes longer and frequency decreases
Wavelength remains the same and frequency increases
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What happens to the frequency perceived by an observer moving away from the source?
Frequency becomes zero
Frequency increases
Frequency remains the same
Frequency decreases
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What happens to the frequency perceived when the relative motion of source and observer is toward one another?
Frequency becomes zero
Frequency increases
Frequency remains the same
Frequency decreases
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What happens to the pressures in the sonic boom when the aircraft flies close by at low altitude?
Pressures decrease
Pressures remain the same
Pressures become destructive
Pressures increase
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the result of the constructive interference of sound created by an object moving faster than sound?
Sonic boom
Shock wave
Ultrasonic waves
Infrasonic waves
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
When the car moves AWAY from you, its horn seems...
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
When an ambulance move TOWARD you it sounds ________ pitched.
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