The diameter of your finger is 1 or 2 cm. What type of electromagnetic wave has a wavelength this size?
A)ultraviolet
B)visible
C)microwave
D)radio

Question

Quizplus · Accepted Answer

Electromagnetic waves with wavelengths of 1-2 cm correspond to the microwave region of the electromagnetic spectrum. Ultraviolet and visible waves have much smaller wavelengths (in the nanometer range), while radio waves have much larger wavelengths (in the meters to kilometers range).

The Diameter of Your Finger Is 1 or 2 Cm