A Small Underwater Pool Light Is 1 M Below the Surface

question 23

Multiple Choice

A small underwater pool light is 1 m below the surface of a swimming pool.What is the radius of the circle of light on the surface,from which light emerges from the water? (n_water = 1.333) .

• A)0.57 m
• B)0.77 m
• C)1.13 m
• D)1.43 m

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Definitions:

Long-Run Equilibrium

A state in a market where all factors of production are fully utilized, leading to a situation where supply equals demand, with no external pressures to change.

Economic Profit

The difference between total revenue and total costs, including both explicit and implicit costs, representing true profitability.

Increase Production

The process of raising the output or quantity of goods and services produced by a firm or country.

Nonrefundable Ticket

A ticket purchase that cannot be returned for a refund, often cheaper than refundable options and common in air travel.