A Microscope Has an Objective Lens of Focal Length 1

question 9

Multiple Choice

A microscope has an objective lens of focal length 1.5 cm and an eyepiece of focal length 2.5 cm.Find the physical separation between the two lenses if the magnifying power is 200,assuming the near point of the viewer is 25 cm.

• A)30 cm
• B)21 cm
• C)34 cm
• D)26 cm
• E)29 cm

Recognize the historical significance of labor unions in shaping labor policies and practices.

Understand the strategies labor unions employ to influence labor supply, demand, and overall workplace conditions.

Identify key legislative acts affecting labor unions and distinguish their impacts on employers and employees.

Analyze the historical trends and events in labor union movements including the reasons for the rise and decline in union membership.

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Definitions:

Worker

An individual engaged in a specific task or job, usually for payment, contributing to the production process in an economy.

Marginal Revenue Product

The extra income derived from the utilization of an additional input unit.

Additional Revenue

Typically refers to incremental income generated from increased sales or services, beyond what is normally expected.

Additional Unit

Refers to the increment of one unit in the quantity of goods or services produced or consumed.