Physics Sound Waves Quiz

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What is the term for the distance between the peaks or troughs of a wave?

Amplitude

Wavelength (correct)

Frequency

Oscillation

Frequency refers to the distance traveled by a wave.

False

What is the mathematical relationship that relates speed, wavelength, and frequency?

c = λ · f

The relationship between frequency and wavelength can be expressed mathematically as $c = ext{______} imes f$.

λ Signup and view all the answers

Match the following terms with their definitions:

Wavelength = The number of oscillations per second Frequency = Distance between wave peaks or troughs Speed of Propagation = How fast a wave travels Oscillation = The repeating motion of a wave Signup and view all the answers

What is the unit of measurement for frequency?

Hertz Signup and view all the answers

The period of an oscillation is equal to its frequency.

False Signup and view all the answers

What is the period of a tuning fork that has a frequency of 440 Hz?

0.00227 seconds Signup and view all the answers

A tuning fork producing the note A has a frequency of __________.

440 Hz Signup and view all the answers

What is the frequency of a sound wave in air with a wavelength of 2 meters?

170 Hz Signup and view all the answers

The period of a sound wave in air with a frequency of 170 Hz is approximately 0.006 seconds.

True Signup and view all the answers

What is the wavelength of a sound wave in water when the speed is 1400 m/s and the frequency is 350 Hz?

4 m Signup and view all the answers

The oscillation period for a sound wave with a frequency of 350 Hz is approximately _____ seconds.

0.003 Signup and view all the answers

Match the following properties of sound to their values:

Speed in air = 346 m/s Frequency of sound wave in air = 170 Hz Speed in water = 1400 m/s Period of a sound wave with frequency 350 Hz = 0.00286 s Signup and view all the answers

What is the frequency when the speed of sound is 1400 m/s and the wavelength is 4.2 m?

333.33 Hz Signup and view all the answers

The speed of sound in water is 520.42 m/s.

False Signup and view all the answers

What is the period (T) when the frequency is 333.33 Hz?

0.003 s Signup and view all the answers

The formula to find the speed of sound (C) given frequency and wavelength is C = f × ______.

λ Signup and view all the answers

Match the variables with their corresponding descriptions:

C = Speed of sound f = Frequency λ = Wavelength T = Period Signup and view all the answers

What is the frequency of a tone that has a duration of 0.025s?

40 Hz Signup and view all the answers

The wavelength of a sound with a frequency of 40 Hz in air is 8.5 meters.

True Signup and view all the answers

How many vibrations does a tuning fork produce in 20 seconds if its frequency is 600 Hz?

12000 Signup and view all the answers

The wavelength of the sound produced by a tuning fork vibrating at 600 Hz is approximately ______ m.

0.5667 Signup and view all the answers

Match the following quantities with their calculated results:

Duration of tone 0.025s = 40 Hz Tuning fork vibrations in 20s = 12000 Frequency of sound 600 Hz = 0.5667 m Wavelength of tone with frequency 40 Hz = 8.5 m Signup and view all the answers