Speed of Sound and Doppler Effect Review
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- Question 1 of 20
1. Question
What does the speed of sound depend on?
CorrectIncorrect - Question 2 of 20
2. Question
When the car moves AWAY from you, its horn seems…
CorrectIncorrect - Question 3 of 20
3. Question
What can you tell about this object’s motion?
CorrectIncorrect - Question 4 of 20
4. Question
When a car moves towards you, the sound of its horn seems relatively…
CorrectIncorrect - Question 5 of 20
5. Question
In the Doppler Effect Lab, we mostly observed changes in what?
CorrectIncorrect - Question 6 of 20
6. Question
What is the Doppler effect?
CorrectIncorrect - Question 7 of 20
7. Question
The speed of sound through liquid glycerol is about 1800 m/s. Which of the following could be the speed of sound through
solid steel?CorrectIncorrect - Question 8 of 20
8. Question
You stand on the sidewalk next to the street. A fire truck is moving towards you. The frequency of the siren on the fire truck is 600 Hz.
What should you hear?
CorrectIncorrect - Question 9 of 20
9. Question
The speed of sound through water is 1500 m/s. Which of the following could be the speed of a sound wave through air?
CorrectIncorrect - Question 10 of 20
10. Question
Which situation will result in the lowest observed frequency?
CorrectIncorrect - Question 11 of 20
11. Question
Jass measures the speed of sound in different materials. She records her data in the table below.
What can she conclude about the speed of sound in these materials?
CorrectIncorrect - Question 12 of 20
12. Question
A student creates a model of a sound wave coming from an object that is moving toward an observer to demonstrate the
Doppler effect.
Using the model, which statement best describes the changes in the sound wave as it approaches the observer?
CorrectIncorrect - Question 13 of 20
13. Question
Sound travels FASTEST through which of these materials?
CorrectIncorrect - Question 14 of 20
14. Question
A student creates a model to demonstrate the Doppler effect.
Which statements correctly compare the sound waves experienced by observer A and observer B? Select all that apply.
CorrectIncorrect - Question 15 of 20
15. Question
A longer string makes a            pitch than a short string.
CorrectIncorrect - Question 16 of 20
16. Question
A student wants to create a model to demonstrate the change in sound waves from a moving source. This is called the
Doppler effect. Which model should the student create?
CorrectIncorrect - Question 17 of 20
17. Question
Match the following answers with their correct statement.
Sort elements
- Fastest in solids
- Slowest in gas
- Sound waves travel
- Sound waves travel
CorrectIncorrect - Question 18 of 20
18. Question
Sound does not travel in space because
CorrectIncorrect - Question 19 of 20
19. Question
Area of a longitudinal wave where particles are CLOSE together. Area of a longitudinal wave where particles are FAR apart.
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20. Question
Why do we hear thunder after we see a flash of lightning , usually some time later?
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