A phonogram plays RECORDS! Records are an example of which type of signal?
Digital
Analog
Analog
Sound waves are longitudinal waves.
Light waves are an example of transverse waves.
The example with lots of white dots that represent the air and get stretched and pushed together is demonstrating a longitudinal wave.
Radios use analog wave signals.
When you increase the volume of a wave, you are changing the amplitude of the wave.
Records have tiny grooves that vibrate allowing us to hear the music. Sound waves are which type of wave?
Longitudinal
Transverse
Sound waves are longitudinal. A transverse wave example would be
light waves
a bird singing
The example with lots of white dots that represent the air is demonstrating which type of wave?
Hint: they get stretched and pushed together
Transverse
Longitudinal
Radios use what type of wave signal?
Analog
Digital