Question

At what frequency f, in hertz, would you have to move the comb up and down to produce red light, of wavelength 600 nm

Answer 1

f = 500 x 10^12Hz

Step-by-step explanation:

E=hc/wavelength

E=hf

hc/wavelength =hf

c/wavelength =f

f = 3 x 10^8 / 600 x 10^-9 = 500 x 10^12Hz