Question: V Question 5: Diffraction (20 points) I have a laser producing a beam of light with wavelength 532 nm, power 10 milli Watts (10 ?W).

Question 5: Diffraction (20 points) I have a laser producing a beam of light with wavelength 532 nm, power 10 milli Watts (10 ?W). and beam diameter a = 2mm (2 - 10 m). I shine it on a wall and find that the light intensity is roughly the same as sunlight, Le. 1000 Watts per square meter. How far away is that wall

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