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.
13. Calculate the. velocity. of a wave if the frequency is 120 Hz and the wavelength is 65m. Given Formula Substitution Answer & Units. 14. If a wave travels at a constant speed, when you increase the waveâs frequency the wavelength: a. increases b. decreases c. stays the same. 15.