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Laser Safety A 0.95 m W laser emits a narrow beam of light that enters the eye, as shown in the figure(Figure 1).fv PartA How
Laser Safety A 0.95 m W laser emits a narrow beam of light that enters the eye, as shown in the figure(Figure 1).\fv PartA How much energy is absorbed by the eye in 0.20 7 Express your answer in millijoules. View Available Hint(s) '\ '0|? E= mJ v PartB The eye focuses this beam to a tiny spot on the retina, perhaps 5.0 pm in diameter. What is the average intensity of light at this spot? Express your answer using two significant figures. P View Available Hint(s) B . - 0w B KW /cm? v PartC Damage to the retina can occur if the average intensity of light exceeds 1.0 x 1072 W/cm2. By what factor has the intensity of this laser beam exceeded the sa Express your answer using two significant figures. P View Available Hint(s) M. om
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