Rajah menunjukkan graf sesaran-jarak bagi suatu gelombang melintang.
What is the amplitude and wavelength of the wave in cm?
Berapakah amplitud dan panjang gelombang dalam cm?
A 6,1
B 6,2
C 12,1
D 12,2
Amplitude,a: maximum displacement from the rest position
wavelength: distance between two consecutive trough/crest