1. a word or phrase supposed to have magic power; incantation. 2. a state or period of enchantment: living under a spell. 3. any dominating or irresistible influence; fascination: the spell of fine music.
IF a wave moving at a constant speed were to have it's wavelength doubled (Wavelength x 2), then the frequency of the wave would be half of what it originally was (Frequency / â¦ 2). 6 people found this useful. Al Cohen.
Remember: # c=flambda#. Therefore: # f=c/lambda#. Here #c# is the speed of light in a vacuum. So: As wavelength decreases, frequency increases and, as #E=hf#, where #h# is constant (Planck's constant), so does the energy that the waves carry. Waves with a short wavelength have the most energy. Red waves have a relatively long wavelength (in the 700 nm range), and violet waves are much shorter - roughly half that.