(a(i))[1]
the amplitude of the wave.
(a(ii))[1]
the wavelength of the wave.
(b)[1]
State the name of this wave type.
(c)[1]
State what is meant by the frequency of a wave.
(d(i))[2]
Complete the labels in Fig. 5.2.
(d(ii))[1]
Compare the speed of radio waves and visible light. Complete the sentence. In a vacuum, radio waves travel ................................ visible light.
(e(i))[1]
the remote control of a television.
(e(ii))[1]
the signal for satellite television broadcasting.