a point source of light is 20cm below the surface of the water. Find the diameter of the circle
Big Gyaan Pathshala 8:51 2022-02-03 16:53 1 983 67 1

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biggyaan pathshalabig gyan pathshalaNepali physics teacherphysics in Nepali explainsa point source of light is 20cm below the surface of the waterfind the diameter of the largest surface at the surfacethrough which the light can emerge from the surfacev.k shrestha numerical solutionNEB numerical solution