Q2) b) A certain biochemical material absorb energy at specific wavelengths of 5m and 12m and thus yielding a molecular fingerprint. You are required to design an infrared spectrometer based on Beer's law Pt=P0eaLC using a suitable set of equipment from the following list and explaining the reason behind your choice: 1- Light sources a- Output power =1nW and wavelength range of 230m cO-Outputpower=1Wandwavelengthrangeof150m0 2- Light detectors a- Minimum input power =1W and wavelength range 712m b- Minimum input power =1nW and wavelength range 7-12 m c- Minimum input power =0.05mW and wavelength range 412m 3- Sample cell: \begin{tabular}{l} a- Length of 20m \\ b- Length of 50mm \\ \hdashline \end{tabular} c- Length of 1m Draw a simple sketch for final system. [5 marks]