Fused Quartz Has an Index of Refraction of 1

question 69

Multiple Choice

Fused quartz has an index of refraction of 1.56 for light from a 560-nm source.What is the speed of light for this wavelength within the quartz? (c = 3.00 x´ 10⁸ m/s)

• A)1.56 x 10⁸ m/s
• B)1.92 x 10⁸ m/s
• C)2.19 x 10⁸ m/s
• D)4.68 x 10⁸ m/s

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Definitions:

After-Tax Discount Rate

The rate of return on an investment after adjusting for taxes, used in net present value and other discounted cash flow analyses.

Incremental Sales

The additional sales generated by a particular business activity or decision, beyond what would have been achieved without it.

One-Time Expense

An uncommon or unique expenditure that is not expected to recur in the foreseeable future, often highlighted separately in financial statements.

Straight-Line Depreciation

A process for dividing the expense of a tangible asset uniformly across its expected lifetime in annual segments.