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.

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Definitions:

Psychosexual Development

Freud's theory describing how personality develops through five stages (oral, anal, phallic, latency, genital) from infancy to adulthood.

Correct Order

The arrangement of objects or actions in a sequence based on a specific rule or set of rules.

Stages

Distinct periods or phases in a process of development or a sequence of events.

Collective Unconscious

A concept in psychology proposed by Carl Jung, referring to the part of the unconscious mind that is derived from ancestral memory and experience and is common to all humankind.