The Objective Lens and the Eyepiece of a Microscope Have

question 98

Multiple Choice

The objective lens and the eyepiece of a microscope have focal lengths of 4.0 mm and 25 mm,respectively.The objective produces a real image 30 times the size of the object,with the final image viewed at infinity.The near point of the microscope user is at 25 cm.What is the distance between the object and the focal point of the objective lens?

• 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:

Ratio

A quantitative relationship between two numbers showing how many times one value contains or is contained within the other.

Express

To show, manifest, or reveal something through words, gestures, actions, or artistic expression.

Proportion

A portion, fraction, or quantity assessed in relation to its total entity.

Business

An organization or enterprising entity engaged in commercial, industrial, or professional activities.