The Objective and the Eyepiece of a Microscope Have Focal

question 63

Multiple Choice

The objective and the eyepiece of a microscope have focal lengths of 4.00 mm and 25.0 mm,respectively.The objective produces a real image 30 times the size of the object.The final image is viewed at infinity,and the near point of the microscope user is at 25.0 cm.What is the distance between the object and the focal point of the objective?

• A) 0.13 mm
• B) 0.18 mm
• C) 0.23 mm
• D) 0.28 mm
• E) 0.33 mm

---

Definitions:

Urinary Sodium

Refers to the amount of sodium excreted in urine, used as an indicator of sodium intake and kidney function.

Calorie-Dense Fluids

Fluids that are high in calories, often used in dietary contexts to refer to beverages that provide a significant amount of energy but may lack nutritional value.

Skin Turgor

The elasticity of the skin, often assessed during a physical examination to determine hydration status or skin health.

Kilocalorie (Kcal) Intake

A measure of the total amount of energy consumed through food and drink, commonly referred to as calories, crucial for dietary planning and balance.