A laser emits light of frequency 4.74  104 s. What is the wavelength of light in nm? 

2. A certain electromagnetic wave has a wavelength of 625 nm. to. What is the frequency of the wave? b. What region of the electromagnetic spectrum is it in? c. What is the energy of the wave in Joules? (Hint: the energy equation is as follows: E = hv) 

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1 To find the wavelength of light in nm we can use the formula c v where c is the sp... View the full answer