What Is the Magnification of a Magnifying Glass of Focal

question 38

Multiple Choice

What is the magnification of a magnifying glass of focal length 4.0 cm if the image is to be viewed by a relaxed eye with a near point of 25 cm?

• A) 2.0
• B) 3.0
• C) 3.6
• D) 4.0
• E) 6.3

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Definitions:

Antibiotic Resistance

The ability of bacteria to withstand the effects of an antibiotic to which they were once sensitive.

Genetic Material

The DNA or RNA present in cells which codes for genetic information necessary for the development, functioning, and reproduction of living organisms.

Endospore

A resting cell formed by certain bacteria; highly resistant to heat, radiation, and disinfectants.

Cell Membrane

The semipermeable membrane surrounding the cytoplasm of a cell, controlling the passage of substances in and out of the cell.