A schematic diagram of atomic absorption spectrometer (AAS) is shown in the following: Radiation source Revolving lenses Atomiser Sample Monochromator Detector Recorder and amplifier (a) Suggest a radiation source that can be used in atomic absorption spectrometer. Describe special feature of the suggested radiation source and explain why it is crucial. (b) Suggest a suitable atomizer and detector for AAS and explain their function. (c) Can this instrument be used as atomic emission spectrometer? Explain our answer.