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Questions and Answers
What is the relationship between the length of a vibrating object and its frequency?
What is the relationship between the length of a vibrating object and its frequency?
- The length of the object does not affect the frequency.
- Frequency is solely determined by the material of the object.
- Shorter objects tend to have higher frequencies. (correct)
- Longer objects tend to have higher frequencies.
A guitar string vibrates 250 times every second. What is the frequency of its oscillation?
A guitar string vibrates 250 times every second. What is the frequency of its oscillation?
- 60 Hz
- 250 Hz (correct)
- 500 Hz
- 100 Hz
If a bird flaps its wings up and down 50 times in 20 seconds, what is the frequency of the wing flapping?
If a bird flaps its wings up and down 50 times in 20 seconds, what is the frequency of the wing flapping?
- 2.5 Hz (correct)
- 0.4 Hz
- 50 Hz
- 20 Hz
What unit is used to measure the frequency of oscillations?
What unit is used to measure the frequency of oscillations?
What term defines the maximum displacement of a vibrating object from its resting position?
What term defines the maximum displacement of a vibrating object from its resting position?
What happens to the frequency of an object's vibrations if its amplitude is increased, assuming other factors remain constant?
What happens to the frequency of an object's vibrations if its amplitude is increased, assuming other factors remain constant?
What is the period of an oscillation?
What is the period of an oscillation?
How would decreasing the mass attached to the end of a vibrating ruler typically affect the frequency of its vibrations?
How would decreasing the mass attached to the end of a vibrating ruler typically affect the frequency of its vibrations?
A membrane vibrates at a frequency of 100 Hz. How many times does it move up and down in each second?
A membrane vibrates at a frequency of 100 Hz. How many times does it move up and down in each second?
How is the frequency of an object determined?
How is the frequency of an object determined?
Flashcards
Amplitude of Oscillation
Amplitude of Oscillation
The maximum distance a vibrating object moves from its resting position.
Frequency
Frequency
The number of complete oscillations a body makes in one second.
Hertz (Hz)
Hertz (Hz)
The standard unit of measurement for frequency.
Period
Period
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Study Notes
- Amplitude of oscillations measures the maximum distance that a body reaches from its resting position.
- Frequency measures the amount of oscillations made by a body in one second.
- The unit of measurement for frequency is Hertz (Hz).
- The time it takes a body to complete one full oscillation is called a period and is measured in seconds.
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