Fig. 6.1 shows several colours from the visible part of the electromagnetic spectrum: red, orange, yellow, green, blue.
(a(i))[1]
State which colour in Fig. 6.1 has the greatest wavelength.
(a(ii))[1]
State which colour in Fig. 6.1 has the greatest frequency.
(b)[4]
Visible light, infra-red, ultra-violet and radio waves are four components of the electromagnetic spectrum. State two further components of the electromagnetic spectrum and describe a different use of each component.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “red” …