The Focal Lengths of the Objective Lens and the Eyepiece

question 77

Multiple Choice

The focal lengths of the objective lens and the eyepiece of a microscope are 0.50 cm and 2.0 cm,respectively,and their separation is 6.0 cm when adjusted for minimum eyestrain for a person with a near point of 25.0 cm.If the microscope is focused on a small object,the magnitude of its final overall magnification is closest to

• A)50.
• B)100.
• C)150.
• D)200.
• E)250.

Learn the best practices for breast care for lactating and postpartum women.

Know the recommended frequency for clinical breast exams in healthy young adults.

Understand the protocol for breast cancer screening for high-risk individuals.

Recognize the diagnostic procedures suitable for different breast conditions.

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Definitions:

Object Permanence

The Piagetian term for one of an infant’s most important accomplishments: understanding that objects and events continue to exist even when they cannot directly be seen, heard, or touched.

Disequilibrium

A state of imbalance or instability, often used in the context of emotional or cognitive conflict.

Assimilation

The cognitive process of fitting new information into pre-existing cognitive schemas, perceptions, and understanding.

Accommodation

In cognitive development, the process by which individuals modify their existing mental frameworks or schemas to incorporate new information.