In the Figure,the Radius of Curvature of the Curved Part

question 26

Multiple Choice

In the figure,the radius of curvature of the curved part of the lens is 35.0 cm,and the refractive index of the lens material is 1.620.What is the focal length of the lens?

• A) +56.5 cm
• B) -56.5 cm
• C) +28.2 cm
• D) +21.6 cm
• E) -21.6 cm

---

Definitions:

Sympathetic Division

Part of the autonomic nervous system that prepares the body for fight-or-flight responses, increasing heart rate and blood pressure, among other effects.

Overactive Thyroid

A condition, also known as hyperthyroidism, where the thyroid gland produces excessive amounts of thyroid hormones, leading to various health issues.

Overactive Pituitary

A condition in which the pituitary gland produces an excess of one or more hormones, which can lead to various health issues.

Underactive Thyroid

A condition also known as hypothyroidism, where the thyroid gland doesn't produce sufficient hormones, affecting metabolism and energy levels.