Gr 10 Physical Sciences Ch 8: Characteristics of a sound wave

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What is pitch primarily determined by in a sound wave?

Wavelength of the sound wave

Speed of sound in air

Frequency of the sound wave (correct)

Amplitude of the sound wave

What is the range of frequencies that humans can detect?

20 Hz to 20,000 Hz (correct)

50 Hz to 50,000 Hz

10 Hz to 10,000 Hz

100 Hz to 100,000 Hz

What is the term for sounds with frequencies below 20 Hz?

Infrasounds (correct)

Ultrasounds

Supersounds

Audible sounds

What is the formula to calculate the wavelength of a sound wave?

λ = v / f Signup and view all the answers

What is loudness primarily related to in a sound wave?

Amplitude of the sound wave Signup and view all the answers

What affects the perceived loudness of a sound?

Both the amplitude of the sound wave and the sensitivity of the human ear Signup and view all the answers

What is the effect of a higher frequency on the perceived pitch of a sound?

It results in a higher pitch Signup and view all the answers

What is the term for sounds with frequencies above 20,000 Hz?

Ultrasounds Signup and view all the answers

What is the primary factor that determines the amplitude of a sound wave?

The vibration of the sound source Signup and view all the answers

Why are humans more sensitive to certain frequencies than others?

Because of the sensitivity of the human ear Signup and view all the answers

What is the primary factor that determines the tone of a sound?

The pitch of the sound Signup and view all the answers

What is the effect of more energetic vibrations on the amplitude of a sound wave?

They result in larger amplitudes Signup and view all the answers

What is the primary factor that determines how high or low a sound is perceived?

Frequency of the sound wave Signup and view all the answers

Which of the following frequencies would be perceived as a higher pitch?

10,000 Hz Signup and view all the answers

What is the effect of a larger amplitude on the loudness of a sound?

The sound becomes louder Signup and view all the answers

Why do humans perceive sounds of certain frequencies as louder than others?

Because of the sensitivity of the human ear Signup and view all the answers

What determines the range of wavelengths corresponding to the audible frequency ranges for each species?

Speed of sound in air Signup and view all the answers

What is the result of more energetic vibrations on the sound source?

Higher amplitude sound waves Signup and view all the answers

What is the primary factor that determines the difference between a bird's chirp and a lion's roar?

Frequency of the sound wave Signup and view all the answers

What is the relationship between the amplitude of a sound wave and the loudness of the sound?

Loudness increases with increasing amplitude Signup and view all the answers

What is the primary factor that determines the range of audible frequencies for humans?

Sensitivity of the human ear Signup and view all the answers

What is the primary factor that determines the tone of a sound wave?

Not specified in the content Signup and view all the answers

What is the effect of increasing the speed of sound in air on the wavelength of a sound wave?

Wavelength increases Signup and view all the answers

What is the primary factor that determines the range of wavelengths corresponding to the audible frequency range?

Speed of sound in air Signup and view all the answers

Gr 10 Physical Sciences Ch 8: Characteristics of a sound wave

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Questions and Answers

What is pitch primarily determined by in a sound wave?

What is the range of frequencies that humans can detect?

What is the term for sounds with frequencies below 20 Hz?

What is the formula to calculate the wavelength of a sound wave?

What is loudness primarily related to in a sound wave?

What affects the perceived loudness of a sound?

What is the effect of a higher frequency on the perceived pitch of a sound?

What is the term for sounds with frequencies above 20,000 Hz?

What is the primary factor that determines the amplitude of a sound wave?

Why are humans more sensitive to certain frequencies than others?

What is the primary factor that determines the tone of a sound?

What is the effect of more energetic vibrations on the amplitude of a sound wave?

What is the primary factor that determines how high or low a sound is perceived?

Which of the following frequencies would be perceived as a higher pitch?

What is the effect of a larger amplitude on the loudness of a sound?

Why do humans perceive sounds of certain frequencies as louder than others?

What determines the range of wavelengths corresponding to the audible frequency ranges for each species?

What is the result of more energetic vibrations on the sound source?

What is the primary factor that determines the difference between a bird's chirp and a lion's roar?

What is the relationship between the amplitude of a sound wave and the loudness of the sound?

What is the primary factor that determines the range of audible frequencies for humans?

What is the primary factor that determines the tone of a sound wave?

What is the effect of increasing the speed of sound in air on the wavelength of a sound wave?

What is the primary factor that determines the range of wavelengths corresponding to the audible frequency range?

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