A Light Beam Has Speed C in Vacuum and Speed

question 92

Multiple Choice

A light beam has speed c in vacuum and speed v in a certain plastic.The index of refraction n of this plastic is

• A)n = cv.
• B)n = (v/c)².
• C)n = v/c.
• D)n = c/v.
• E)n = (c/v)².

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Definitions:

Current-Period Income

Current-period income refers to the net income earned by a company during the current accounting period, indicating its profitability.

Revenue Recognition Principle

An accounting principle that dictates the conditions under which revenue is recognized and recorded, emphasizing the realization or earnability of revenue.

Adjusting Entries

Accounting records prepared at the close of a fiscal period to distribute profits and costs to the period they genuinely took place.

Accrued Revenues

Revenues earned by a company for services or goods provided but not yet received or billed to the client.