Wavelength Units Flashcards
(4 cards)
1
Q
What units are used to measure wavelengths?
A
mm, µm (micron), mµ (millimicron), nm (nanometer), Å (Angstrom)
2
Q
Most common wavelength units?
A
nm and Å
3
Q
Which rays are invisible?
A
Rays <3900 Å or >7600 Å (Gamma, X-ray, UV, IR, Cosmic)
4
Q
Which rays are visible?
A
Wavelengths from 3900–7600 Å