The Focal Length of the Objective Lens of a Telescope

question 23

Multiple Choice

The focal length of the objective lens of a telescope is 0.20 m and the eyepiece has a focal length of 1.6 m.What is the length of this telescope?

• A)8.0 m
• B)1.4 m
• C)0.90 m
• D)1.6 m
• E)1.8 m

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Definitions:

Openness

A personality trait that features the willingness to experience a variety of activities, high curiosity, and an appreciation for art and adventure.

Humanistic Perspectives

A psychological approach that emphasizes the study of the whole person and the uniqueness of each individual's experience, focusing on self-determination and free will.

Trait Theories

Theories in psychology focused on the identification and measurement of consistent personality characteristics and patterns of behavior.

Psychoanalytic Perspectives

A framework in psychology which posits that human behavior is a result of interactions among various unconscious psychological processes.