Arrange the following spectral regions in order of increasing wavelength ? A) microwave < infrared < visible < ultraviolet B) ultraviolet < infrared < visible < microwave C) ultraviolet < visible < infrared < microwave

1 Answer
Apr 29, 2015

The answer is C) ultraviolet < visible < infrared < microwave.

http://sciencelearn.org.nz/Science-Stories/Harnessing-the-Sun/Sci-Media/Interactive/The-electromagnetic-spectrum

In order of increasing wavelength, you'll get

  • Ultraviolet #lamda ~ 10^(-8)"m"#
  • Visible - #lamda ~ .5 * 10^(-6)"m"#
  • Infrared - #lamda ~ 10^(-5)"m"#
  • Microwave - #lamda ~ 10^(-2)"m"#