A Microscope Has an Objective Lens of Focal Length 1

question 22

Multiple Choice

A microscope has an objective lens of focal length 1.40 mm and an eyepiece of focal length 20.00 mm.It is adjusted for minimum eyestrain for persons with a near point of 25.0 cm.A blood sample is placed 1.50 mm from the objective.How far apart are the lenses?

• A)20 mm
• B)21 mm
• C)23 mm
• D)41 mm

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Definitions:

Demand Schedule

A table that shows the quantity of goods or services that consumers are willing and able to purchase at various price levels.

Perfectly Competitive

A market structure characterized by a large number of buyers and sellers, homogenous products, and no barriers to entry or exit.

Duopoly Market

A market structure dominated by only two producers or sellers, leading to a form of competition that significantly impacts pricing and output decisions.

Merging Firms

The process where two or more companies combine into a single company, often to expand market share, reduce costs, or increase competitiveness.