A Thin Layer of Oil (N = 1

question 29

Multiple Choice

A thin layer of oil (n = 1.25) is on top of a puddle of water (n = 1.33) .If normally incident 500-nm light is strongly reflected,what is the minimum nonzero thickness of the oil layer?

• A) 200 nm
• B) 250 nm
• C) 100 nm
• D) 400 nm
• E) 150 nm

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Definitions:

Exchange of Goods

The act of giving one thing and receiving another, especially of the same type or value, commonly referred to in the context of trade or barter.

Buyers and Sellers

The participants in a market who respectively purchase and offer goods or services for trade.

Substitution Effects

The change in the consumption pattern of goods due to a change in their prices, making consumers replace more expensive items with cheaper alternatives.

Downward-sloping

A descriptor often used for demand curves, indicating that as the price of a good or service decreases, the quantity demanded increases.