At What Angle Is the Sun Above the Horizon If

question 78

Multiple Choice

At what angle is the sun above the horizon if its light is found to be completely polarized when it is reflected from the top surface of a slab of glass (n = 1.63) ?

• A) 31.5°
• B) 58.5°
• C) 0.55°
• D) 37.8°
• E) ​52.2°

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Definitions:

Present Value

The value today of a future sum of money or cash flow sequence, discounted at a particular rate of return.

Equal Amount

A term indicating that two or more quantities are the same in value or measure.

Ten Years

A period of ten consecutive years, often used as a significant measurement of time for planning, analysis, and comparison in various contexts.

Discount Rate

The interest rate that is used in the context of DCF analysis which helps in determining the current value of cash flows to be received in the future.