1.

Consider the following part of spectra
1. visible
2. infrared
3. ultraviolet
4. microwave
Which of the following is the correct sequance in which the wavelengths in crease ?

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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