Compound Microscope: the Objective and the Eyepiece of a Microscope

question 43

Multiple Choice

Compound microscope: The objective and the eyepiece of a microscope have focal lengths of 4.00 mm and 25.0 mm, respectively. The objective produces a real image 30 times the size of the object. The final image is viewed at infinity, and the near point of the microscope user is at 25.0 cm. What is the distance between the object and the focal point of the objective?

• A) 0.13 mm
• B) 0.18 mm
• C) 0.23 mm
• D) 0.28 mm
• E) 0.33 mm

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Definitions:

Triacylglycerols

Lipid molecules made up of three fatty acids linked to a glycerol molecule, commonly known as triglycerides and stored in fat cells as energy reserves.

Structural Component

A fundamental part or element of something that contributes to its construction or organization, essential for stability and function.

Plant Cells

Basic units of life in plants, typically having a cell wall, chloroplasts, and a central vacuole.

Cellulose

Cellulose is an organic compound and a polysaccharide made up of glucose units, forming the primary structural component of plant cell walls and providing rigidity to plants.