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  1. Consider the following parts of spectra
    1. Visible
    2. Infrared
    3. Ultraviolet
    4. Microwave
    Which one of the following is the correct sequence in which their wavelength increase ?
    1. 4 - 3 - 1 - 2
    2. 4 - 1 - 2 - 3
    3. 3 - 2 - 1 - 4
    4. 3 - 1 - 2 - 4
Correct Option: D

NA


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