Observer a Is 3

question 14

Multiple Choice

Observer A is 3.0 m from a tiny light bulb and observer B is 12.0 m from the same bulb.Assume that the light spreads out uniformly and undergoes no significant reflections or absorption.If observer B sees a light of intensity I,the light intensity that A sees is

• A) I.
• B) 9I.
• C) 16I.
• D) 36I.
• E) 144I.

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Definitions:

Barriers to Entry

Obstacles that prevent new competitors from easily entering an industry or area of business.

Monopolistic Competition

A market structure where many companies sell products that are similar but not identical, allowing them to compete on factors other than price.

Imperfect Competition

Imperfect competition describes a market structure where the conditions necessary for perfect competition are not met, leading to firms having some control over market prices.

Monopoly

A market structure characterized by a single seller who has exclusive control over a product or service, potentially leading to higher prices and reduced quality.