Use the diagram to complete the statement.
An illustration shows the propagation of two waves for a period of one second. The first wave has a lower number of cycles than the second wave, but both the waves travel an equal horizontal distance in one second.
The bottom wave has a greater _____
(1 point)
Responses
frequency.
frequency.
wavelength.
wavelength.
trough.
trough.
amplitude.
wavelength.
Which type of wave can carry energy through a vacuum?(1 point)
Responses
mechanical
mechanical
electromagnetic
electromagnetic
sound
sound
seismic
electromagnetic
Which type of electromagnetic energy must be used carefully in medicine so it does not damage living tissue?(1 point)
Responses
low frequency waves
low frequency waves
gamma rays
gamma rays
radio waves
radio waves
visible light