The Rectangular Metal Tank Shown Is Filled with an Unknown

question 26

Multiple Choice

The rectangular metal tank shown is filled with an unknown liquid. The observer, whose eye is level with the top of the tank, can just see corner E. The index of refraction of this liquid is:

• A) 1.75
• B) 1.67
• C) 1.50
• D) 1.33
• E) 1.25

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Definitions:

Net Present Value

A financial analysis technique used to estimate the viability of projects or investments by discounting expected future cash flows to their present value.

Payback Period

The duration of time it takes to recoup the initial investment in a project or asset.

Cash Inflows

Cash Inflows are the money or cash received by a business from its various activities, including sales, investments, financing, etc.

Profitability Index

A capital budgeting tool that measures the ratio of the present value of future cash flows generated by an investment to the initial investment cost, used to assess the profitability.