Physics 5054 · O Level · General properties of waves
General properties of waves — practice question
As it moves through the opening in a barrier, a water wave in a ripple tank undergoes diffraction.
(a)[1]
State one error in the way the student has drawn the crests.
(b)[2]
The barrier gap is now reduced to a size smaller than the wavelength, as shown in Fig. 7.2. Finish Fig. 7.2 by adding at least three crests to display the revised diffraction pattern.
(c(i))[1]
Define ‘wavelength’.
(c(ii))[2]
Calculate the wave frequency.
(c(iii))[1]
Calculate the wavelength of the wave in the shallow part of the tank.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Wavelength too large / insufficient bending shown” …