Fig. 6.1 illustrates successive crests of a water wave moving towards a boundary. The labels are region A, region B, the boundary, and the direction in which the wave travels.
(a(i))[3]
On Fig. 6.1, draw the crests for the waves in region B.
(a(ii))[1]
State the wave effect that occurs as the wave crosses from region A into region B.
(b(i))[2]
State two conditions needed for total internal reflection to occur.
(b(ii))[2]
State two advantages of using optical fibres for transmitting high speed broadband.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “wavefronts joined at the boundary” …