The Objective and the Eyepiece of a Microscope Have Focal

question 63

Multiple Choice

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:

Monochlorination Product

A compound resulting from the chemical process of adding one chlorine atom to an organic molecule.

Relative Reactivity

A measure of how readily a chemical species engages in a reaction under specified conditions compared to other species.

Reactive Intermediates

Highly reactive species that are formed transiently during chemical reactions, often determining the product distribution.

Nucleophilic

Describes a type of chemical species that donates an electron pair to form a chemical bond in reaction, indicating a tendency to seek positively charged or electron-deficient sites.