HELP

____ have more energy than ____.
A. Radio waves; visible light
B. Ultraviolet rays; X-Rays
C. Gamma rays; infrared rays
D. Radio waves; microwaves

Question

HELP

____ have more energy than ____.
  A. Radio waves; visible light 	
  B. Ultraviolet rays; X-Rays 	
  C. Gamma rays; infrared rays 	
  D. Radio waves; microwaves

anonymous · Answer

The energy of a photon is given by:$$E=h \nu $$where E is energy; h is Planck's constant; and ν is the frequency of the photon. Given that equation and the following graphic of the electromagnetic spectrum, you should be able to find the answer: http://www.mpoweruk.com/images/emspectrum.gif

anonymous · Answer

C. the frequency of gamma rays is greater than that of infrared, so it has higher energy