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 ?

A. 4 - 3 - 1 - 2
B. 4 - 1 - 2 - 3
C. 3 - 2 - 1 - 4
D. 3 - 1 - 2 - 4
Answer» E.


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