Physics - Modern Physics - Atomic Structure - Atomic spectra - emission and absorption - Spectral Detective

Two types of exercises. Part 1 - Categorize these observations: 'Hot iron glowing red' (continuous), 'Neon sign' (emission line), 'Dark lines in starlight' (absorption), 'LED light' (emission), 'Sunlight through prism shows rainbow with dark lines' (absorption), 'Bunsen burner with salt produces yel