Question

What is the wavelength range of the ordinary infrared region
A.40.8-2.5 um
Β. 25-16 μ m
C. 16-100μ m
D. 400-800nm.​

Answer 1

Answer:

B. 25-16

Explanation:

infrared radiation extends from the nominal red edge of the visible spectrum at 700 nanometers (nm) to one mmillimeter. and etc etc..