Doubling the Focal Length of the Objective Lens of a Compound

question 47

Multiple Choice

Doubling the focal length of the objective lens of a compound microscope will change the magnification by what factor?

• A) 4
• B) 1/4
• C) 2
• D) 1/2

---

Definitions:

Abnormal Thyroid Shape

A variation from the normal anatomical structure of the thyroid gland, which can indicate disease or dysfunction.

Enlarged Thyroid Gland

A condition characterized by the abnormal swelling of the thyroid gland, which can indicate various thyroid disorders.

Gag Reflex

An involuntary contraction of the back of the throat triggered by an object touching the roof of the mouth, back of the tongue, area around the tonsils, or the back of the throat.

Sims's Position

A body position where a person lies on their left side with the right knee and thigh drawn up toward the chest, commonly used for rectal examinations.