What Is the Magnitude of the Approximate Magnification of a Compound

question 25

Multiple Choice

What is the magnitude of the approximate magnification of a compound microscope with objective and eyepiece focal lengths of 0.90 cm and 3.6 cm,respectively,and a separation between lenses of 20 cm?

• A) 460
• B) 12
• C) 20
• D) 150

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Definitions:

Case-Control Study

An observational study design used in epidemiology, where individuals with a given outcome (cases) are compared to individuals without the outcome (controls) to identify risk factors.

Obesity Status

A condition defined by an excess of body fat that may negatively impact health.

Matched Case-Control

A study design where each case (individual with the outcome of interest) is paired with one or more controls (individuals without the outcome) who share similar characteristics, improving comparison.

Odds Ratio

is a measure of association between an exposure and an outcome, representing the odds that an outcome will occur given a particular exposure, compared to the odds of the outcome occurring without that exposure.