Question text
19 A cork on the surface of water moves up and down as a wave passes across the surface. The diagram shows how the height of the cork above the average level of the surface varies with time. 2.0 height / cm 0 0 0.5 1.0 1.5 2.0 –2.0 time / s The numerical value of the wavelength of this wave is equal to the numerical value of the amplitude of this wave. What is the speed of the wave? A 1.0cm/s B 2.0cm/s C 4.0cm/s D 8.0cm/s
19 A cork on the surface of water moves up and down as a wave passes across the surface.
The diagram shows how the height of the cork above the average level of the surface varies with
time.
2.0
height / cm
0
0 0.5 1.0 1.5 2.0
–2.0
time / s
The numerical value of the wavelength of this wave is equal to the numerical value of the
amplitude of this wave.
What is the speed of the wave?
A 1.0cm/s B 2.0cm/s C 4.0cm/s D 8.0cm/s
Select your answer: