Compound Microscope: the Focal Lengths of the Objective and the Eyepiece

question 8

Multiple Choice

Compound microscope: The focal lengths of the objective and the eyepiece in a microscope are 0.290 cm and 2.50 cm, respectively. An object is placed 0.300 cm from the objective. The image of this object is viewed with the eyepiece adjusted for minimum eyestrain (image at the far point of the eye) for a person with normal vision. What is the distance between the objective and the eyepiece?

• A) 9.85 cm
• B) 10.1 cm
• C) 10.4 cm
• D) 11.2 cm
• E) 11.5 cm

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Definitions:

Observations

Data collected during an experiment or study, often representing measured values of the variables of interest.

Matched Pairs Differences

The differences observed in the outcomes of treated vs. untreated units in a matched pairs experiment, vital for analyzing the effect of the treatment.

Dependent Populations

Groups or sets of entities where the members or outcomes are not independent of each other, implying potential correlations or connections.

Observations

Data points or values that have been collected or measured through an experimental or observational study.