The role of the project manager encompasses many activities including: 1  Planning and Defining Scope. 2  Activity Planning and Sequencing. 3  Resource Planning. 4  Developing Schedules. 5  Time Estimating. 6  Cost Estimating. 7  Developing a Budget. 8  Documentation. 9  Creating Charts and Schedules. 10  Risk Analysis. 11  Managing Risks and Issues.
(Answer #1). The critical angle is the largest angle at which light rays inside a diamond can escape. The more a material bends light, the higher the RI Refractive index, the smaller its critical angle.Because diamond has a high RI, it has only a small critical angle, 24.5 degrees.Answer #1). The critical angle is the largest angle at which light rays inside a diamond can escape. The more a material bends light, the higher the RI Refractive index, the smaller its critical angle.
Aside from their monetary and sentimental value, the sparkle of a diamond is what makes them so breathtakingly beautiful. Everything in the world and in the universe that glitters and glows is compared to the brilliance of a diamond.he precision of each facet is what will determine the amount of sparkle in the diamond. Those amazing flashes of light you see coming from the diamond ring far across the room is an effect called diamond scintillation.