(a) A sheet of a certain type of glass is transparent but tinted red. To measure its light-absorbing properties, beams of monochromatic light from two different lasers are shined through the glass. One laser emits red light with a wavelength of 645 nm, while the other emits blue light with a wavelength of 485 nm. What is the frequency of the light emitted (in Hz) from each laser? red Hz Hz blue (b) The glass absorbs 66.0% of the energy of the blue light; that is, the intensity of the blue light just after exiting the glass is 34.0% of the intensity just before entering. (The sheet of glass is thin and the laser beam narrow, so the intensity change is not due to any widening of the beam.) Find the ratio of the amplitude of the blue light's electromagnetic wave before entering the glass to the amplitude after exiting the glass. Emax, f

(a) A sheet of a certain type of glass is transparent but tinted red. To measure its light-absorbing properties, beams of monochromatic light from two different lasers are shined through the glass. One laser emits red light with a wavelength of 645 nm, while the other emits blue light with a wavelength of 485 nm. What is the frequency of the light emitted (in Hz) from each laser? red Hz Hz blue (b) The glass absorbs 66.0% of the energy of the blue light; that is, the intensity of the blue light just after exiting the glass is 34.0% of the intensity just before entering. (The sheet of glass is thin and the laser beam narrow, so the intensity change is not due to any widening of the beam.) Find the ratio of the amplitude of the blue light's electromagnetic wave before entering the glass to the amplitude after exiting the glass. Emax, f