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20 questions
The energy of a mechanical wave is determined by ...
amplitude
frequency
speed
medium
The higher the frequency of a wave, the ______________ the wavelength
shorter
longer
Musical notes travel through the air as waves. Higher frequency notes travel _________ lower frequency notes.
faster than
at the same speed as
slower than
Sound waves are __________ waves.
Amplitude affects which characteristic of sound waves?
frequency
pitch
loudness
wave speed
Sound waves can travel through a vacuum because they don't require particles.
True
False
The ______ of a sound depends on the medium through which it's moving.
pitch
vibration
speed
loudness
A sound wave travels at a speed of 352 m/s. What is its wavelength if it has a frequency of 880 Hz?
Sound with frequencies between 20 Hz and 20 000 Hz are known as:
ultrasonic
infrasonic
audible range
visible range
The speed of sound in air is 340 m/s. The frequency of the sound waves generated by my voice is 720 Hz. Calculate the wavelength of sound of my voice.
380 m
0.472 m
2.11 m
244,800
none of these are correct
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