Let F_o and F_e Be the Focal Lengths of the Objective

question 7

Multiple Choice

Let f_o and f_e be the focal lengths of the objective and eyepiece of a compound microscope.In ordinary use, the object:

• A)is less than f_o from the objective lens
• B)is more that f_o from the objective
• C)produces an intermediate image which is slightly more than f_e from the eyepiece
• D)produces an intermediate image which is 2f_e away from the eyepiece
• E)produces an intermediate image which is less than f_o from the objective

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Definitions:

Mediastinum

The medial compartment of the thoracic cavity, situated between the lungs, containing the heart, thymus, esophagus, trachea, and major blood vessels.

Esophagus

A muscular tube that conveys food and liquids from the mouth to the stomach.

Thoracic Cavity

A large body cavity in humans and many animals that houses the lungs and heart, among other organs, located between the neck and the abdomen.

Sternum

A long, flat bone located in the central part of the chest, connecting the rib bones and supporting the collar bone.