Which type of wave can travel through a vacuum?(1 point)
Responses
light
light
sound
sound
seismic
seismic
mechanical
None of the above
AM waves have a wavelength of approximately 100 meters. FM waves have a wavelength of approximately 1 meter. Which one has a higher frequency? Which one has higher energy?(1 point)
Responses
FM has a higher frequency and higher energy.
FM has a higher frequency and higher energy.
FM has a higher frequency, but AM is higher energy.
FM has a higher frequency, but AM is higher energy.
AM has a higher frequency and higher energy.
AM has a higher frequency and higher energy.
AM has a higher frequency, but FM is higher energy.