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Search Results for frequency - All Grades

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Grade 10 Waves and Sound
College Speech and Voice Disorders
Continuing Education Atmosphere
Grade 12 Physics
What happens to the frequency of sound waves when the source moves toward the observer?
  1. frequency decreases
  2. frequency remains the same
  3. frequency increases
  4. The sound is absorbed by the medium
Grade 10 Waves and Sound
The velocity of a wave is equal to
  1. [math]"wavelength"/"amplitude"[/math].
  2. wavelength x frequency.
  3. [math]"amplitude"/"frequency"[/math].
  4. amplitude x frequency.
College Speech and Voice Disorders
When talking about spectrogram parameters, what does the bandwidth equal?
  1. Frequency range across the filter
  2. Frequency range in narrow filters
  3. Frequency ranges in each filter
  4. Frequency ranges in broad filters
College Quantum Physics and the Atom
Which of the following correctly describes the changes in frequency and energy, in moving from radio waves to gamma rays?
  1. Energy and frequency both decrease
  2. Energy and frequency both increase
  3. Energy increases, and frequency decreases
  4. Energy decreases, and frequency increases
College Speech and Voice Disorders
Grade 12 Physics
What is the beat frequency equal to?
  1. The sum of the frequencies of the two waves
  2. The product of the frequencies of the two waves
  3. The average of the frequencies of the two waves
  4. The difference between the frequencies of the two waves
Grade 9 Waves and Sound
Frequency is measured in
  1. yards.
  2. Hertz.
  3. meters.
  4. decibels.
College Speech and Voice Disorders
While creating a spectrum, we need to line up the output of all filters in order. Lowest to Highest. By doing this, what can be shown?
  1. What frequencies the sound contains across the whole range
  2. What frequencies the sound contains across the wide/narrow filter
  3. What frequencies the sound contains across the center frequency
  4. What frequency the sound contains across the input frequency range
Grade 8 Waves and Sound
What is the relation between the frequency of sound waves and the source’s frequency?
  1. they are inversely proportional
  2. they are directly proportional
  3. they have no relationship
  4. the frequency of a sound wave is always higher than the source’s frequency
College Speech and Voice Disorders
Grade 8 Waves and Sound
Which of the following determines the intensity of sound?
  1. wavelength and frequency
  2. amplitude and frequency
  3. amplitude and distance
  4. wavelength and distance
Grade 11 Waves and Sound

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