electron revolves around the nucleus of an atom in a circular orbit of radius R calculate distance and displacement when the electron complete One by fourth of the orbit Share with your friends Share 1 Sakshi Kanwar answered this Dear Student When it revolves in radius R The distance covered is 1/4 th the circumference =14×2πRDisplacement is the shortest path between the two points.At 1/4th of the orbit the shortest path will be=r2+r2=2rREGARDS -1 View Full Answer