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Questions and Answers
What is the frequency of the sound being emitted by the stationary source?
What is the frequency of the sound being emitted by the stationary source?
- 510 Hz
- 500 Hz (correct)
- 490 Hz
- 480 Hz
What is the typical velocity of sound in air at room temperature?
What is the typical velocity of sound in air at room temperature?
- 350 m/s
- 330 m/s
- 360 m/s
- 340 m/s (correct)
What is the equation used to calculate the frequency observed?
What is the equation used to calculate the frequency observed?
- frequency observed = frequency of source * velocity of observer / velocity of sound (correct)
- frequency observed = velocity of sound / frequency of source * velocity of observer
- frequency observed = velocity of observer / velocity of sound * frequency of source
- frequency observed = frequency of source * velocity of sound / velocity of observer
What happens to the frequency observed when the observer is moving towards the stationary source?
What happens to the frequency observed when the observer is moving towards the stationary source?
What effect does a larger numerator have on the frequency observed?
What effect does a larger numerator have on the frequency observed?
What is the frequency observed by the observer when walking towards the stationary source at a speed of 10 m/s?
What is the frequency observed by the observer when walking towards the stationary source at a speed of 10 m/s?
How does the frequency observed change when the source is moving towards the observer compared to when the observer is moving towards the source at the same speed?
How does the frequency observed change when the source is moving towards the observer compared to when the observer is moving towards the source at the same speed?
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