Question:
V A cylindrical laser beam of diameter 4mm and power 10mW is
Last updated: 5/30/2023
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V A cylindrical laser beam of diameter 4mm and power 10mW is incident on a convex lens of focal length 10 cm kept 2m away Intensity at image will be 1 0 29 MW m 3 10 MW m TEX 2 7 MW m 4 29 MW m