A Ray of Light Passes from Air into a Block

question 24

Multiple Choice

A ray of light passes from air into a block of glass with a refractive index of 1.59 as shown in the figure. Note: The drawing is not to scale. What is the value of the distance D?

• A)1.42 cm
• B)1.66 cm
• C)1.93 cm
• D)2.19 cm
• E)2.38 cm

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Definitions:

Cash Payback Period

The time it takes for a business to recover its investment in a project, through cash inflows.

Desired Rate

Often refers to the target internal rate of return or the specific return percentage that an investor aims for in financial investments.

Present Value Index

A financial calculation that helps to evaluate the profitability of an investment or project by considering the present value of expected cash flows.

Net Present Value Analysis

A method used to evaluate the profitability of an investment or project by calculating the difference between the present value of cash inflows and outflows over time.