Upon Reflection,light Undergoes a 180° Phase Change

question 63

Multiple Choice

Upon reflection,light undergoes a 180° phase change:

• A)always.
• B)if the incident medium has the higher index of refraction.
• C)if the incident medium has the lower index of refraction.
• D)whenever the incident angle is less than the critical angle.

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Definitions:

NPV Calculations

A method used to evaluate the profitability of an investment by calculating the difference between the present values of cash inflows and outflows over a period of time.

Cash Flow Projections

Estimates of the amount of money expected to flow in and out of a business over a certain period.

Discount Rate

This is the rate used during discounted cash flow analysis for evaluating the present value of cash flows anticipated in the future.

Financial Break-even Point

It is the level of revenue necessary to cover a company’s fixed and variable costs, without generating profit or loss.