The different regions of the electromagnetic spectrum are shown in Fig. 14.2 Fig 14.2 The electromagnetic spectrum Increasing y Cosmic X-rays (UV Vacuum Near Ⅴ isible(IR) aR and Microwave Ultraviolet Ultraviolet near infrared radio y-rays infrared 0.1nm 200nm 400 nm 800 nm 2 Hr 50 um IncreasingThe different regions of the electromagnetic spectrum are shown in Fig.14.2. λ Fig. 14.2 The electromagnetic spectrum Cosmic and γ - rays X- rays (UV) Vacuum Ultraviolet (UV) Near Ultraviolet Visible (IR) infrared (IR) near infrared Microwave radio 0.1 nm 200 nm 400 nm 800 nm 2 μm 50 μm Increasing v Increasing