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

question 72

Short Answer

The focal lengths of the objective and the eyepiece of a microscope are 0.50 cm and 2.0 cm,respectively,and their separation adjusted for minimum eyestrain (with the final image at the viewer's far point)is 6.0 cm.The near point of the person using the microscope is 25 cm and the far point is infinity.
(a)If the microscope is focused on a small object,what is the distance between the object and the objective lens?
(b)If the microscope is focused on a small object,what is its final magnification?

---

Definitions:

Theory of Planned Behavior

A psychological theory that predicts an individual's intention to engage in a behavior at a specific time and place, considering attitudes, subjective norms, and perceived behavioral control.

General Adaptation Syndrome

A three-stage response (alarm, resistance, exhaustion) that describes the physiological changes the body goes through under stress.

Cognitive Appraisal Model

A theory in psychology that explains the process through which individuals evaluate and cope with a stressful event or situation.

Social Support

Emotional, informational, or instrumental assistance from others.