Which two of the following describe sound frequency and intensity?
A the number of sound waves
B the speed at which an object moves
C the height of an object making noise
D the level of loudness
E the size of air molecules
Which two of the following describe sound frequency and intensity?
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The correct answers are:
A. the number of sound waves
D. the level of loudness
Explanation:
Sound frequency refers to the number of sound waves that pass a point in a certain amount of time, typically measured in Hertz (Hz). Higher frequency means more waves in that time period, which corresponds to a higher pitch of sound.
Sound intensity, on the other hand, relates to the level of loudness, which is how we perceive the strength of the sound. Intensity is often measured in decibels (dB) and reflects the energy of the sound waves.
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