Consider the following parts of spectra1. Visible2. Infrared3. Ultraviolet4. MicrowaveWhich one of the following is the correct sequence in which their wavelength increase ?

• A. 4 - 3 - 1 - 2
• B. 4 - 1 - 2 - 3
• C. 3 - 2 - 1 - 4
• D. 3 - 1 - 2 - 4