cse • paper_1 • waves_oscillationscse-1994-subject-02-010
Thin-lens optics — UPSC CSE 1994 Physics PYQ
Buy PYQ Solution Manual →The light (\lambda = 6000\text{\AA}) from a laser of sectional diameter 1.0 cm and power 0.02 watt is loosed by a lens of focal length 10 cm. Determine the area at the image and intensity in it in watt/cm{}^2.
Discussion (0)
Sign in to post a solution, derivation, or discussion.
No comments yet. Start the conversation!