How Far from a Lens Having a Focal Length Of $+ 50 \mathrm {~mm}$

question 43

Multiple Choice

How far from a lens having a focal length of $+ 50 \mathrm {~mm}$ must the object be placed if it is to form a virtual image that is $3.0$ times the size of the object?

• A) \(33 \mathrm {~mm}\)
• B) \(54 \mathrm {~mm}\)
• C) \(42 \mathrm {~mm}\)
• D) \(48 \mathrm {~mm}\)

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Definitions:

Cutthroat Competition

An extremely competitive market situation where competitors use aggressive tactics to undercut each other's prices, leading to very low profit margins.

Sticky Prices

A situation in economics where the prices of goods and services are slow to respond to changes in the supply and demand.

Herfindahl-Hirschman Index

A measure of market concentration to assess the level of competition within an industry.

Degree of Concentration

A measure of the extent to which a small number of firms or entities dominate in a particular market or industry.