The Distance Between the Object and the Eyepiece of a Compound

question 55

Multiple Choice

The distance between the object and the eyepiece of a compound microscope is 18.0 cm. The focal length of its objective lens is 0.80 cm and the eyepiece has a focal length of 2.3 cm. The near-point distance of the person using the microscope is 25.0 cm. What is the total magnification of the microscope?

• A) -120
• B) -184
• C) -200
• D) -360
• E) -480

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Definitions:

Biotic Pollution

The introduction of harmful living organisms into ecosystems, leading to negative effects on native species and their habitats.

Unregulated Hunting

Hunting without restrictions or oversight, which can lead to overexploitation and significant declines in wildlife populations.

Biodiversity Hotspot

A region with a high amount of biological diversity that faces significant threats from human activities.

In Situ Conservation

The protection of species in their natural habitats to preserve genetic diversity and ecosystem integrity.