The Focal Lengths of the Objective and the Eyepiece in a Microscope

question 31

Multiple Choice

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:

Bystander Apathy

A phenomenon where individuals are less likely to offer help to a victim when other people are present.

Personal Costs

The sacrifices or losses endured by an individual as a consequence of making a decision or taking an action.

Prosocial Behaviour

Actions intended to benefit others, including helping, sharing, and caring activities that promote social harmony and well-being.

Displaying

The act of showing or demonstrating something, often for the purpose of communication or presentation.