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.
1 Choose a location that is sheltered from the wind to light your sparklers. 2  Only light one sparkler at a time. 3  Lit sparklers can be unpredictable with their spark discharge, so lighting multiple sparklers at once can be very dangerous. 4  Do not use matches to ignite a sparkler, including paper or wooden stick matches.lso, remember to closely observe children and supervise them the entire time they use combustible items such as sparklers. 1  Choose a location that is sheltered from the wind to light your sparklers. 2  Only light one sparkler at a time.