(a) describe what is meant by wave motion as illustrated by vibration in
ropes, springs and ripple tanks.
(d) recall and use the equation ν = fλ.
(e) show an understanding that energy is transferred due to a progressive
* (j) determine the frequency of sound using a calibrated
* (a) explain and use the principle of superposition in
* (c) explain the formation of a stationary wave using a
graphical method, and identify nodes and antinodes.
(d) explain the meaning of the term diffraction.
(f) show an understanding of the terms interference and coherence.
(h) show an understanding of the conditions required if two-source
interference fringes are to be observed.
(i) recall and solve problems using the equation λ = ax
/ D for double-slit
interference using light.