An Oil Layer That Is 5

question 21

Multiple Choice

An oil layer that is 5.0 cm thick is spread smoothly and evenly over the surface of water on a windless day.A light ray from the air above enters the oil at 45° with the normal and then goes into the water.What is the angle of refraction of this ray in the water? The index of refraction for the oil is 1.15,and for water it is 1.33.

• A)27°
• B)32°
• C)36°
• D)39°

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Definitions:

Debt Ratio

A financial ratio that measures the extent of a company’s leverage, calculated by dividing total liabilities by total assets.

Liabilities

Financial obligations a company owes to external parties, including loans, accounts payable, and mortgages.

Total Assets

The sum of all current and non-current assets owned by a company, reflecting the company’s total resources.

Trial Balance

A bookkeeping report that lists the balances in each of an organization's general ledger accounts, used to verify that total debits equal total credits in the accounting ledgers.