A Double-Convex Lens Is Made of Glass of Refractive Index

question 43

Multiple Choice

A double-convex lens is made of glass of refractive index 1.50.The radii of curvature of the surfaces are 10 cm and 20 cm.The focal length of this lens is

• A)4.45 cm
• B)13.3 cm
• C)-13.3 cm
• D)40 cm
• E)-40 cm

Grasp the idea of risk and how it is quantified in economic decisions.

Learn the difference between objective and subjective probabilities.

Analyze investment opportunities based on past performance data.

Understand the methodology to calculate standard deviation as a measure of risk.

---

Definitions:

Hepatitis B

A potentially life-threatening liver infection caused by the hepatitis B virus (HBV).

Human Papillomavirus (HPV)

A virus causing cervical and other cancers as well as genital warts; the most common sexually transmitted infection.

Herpes Simplex Virus (HSV)

The virus that causes genital herpes.

Gonorrhea

A sexually transmitted infection caused by the bacterium Neisseria gonorrhoeae, often resulting in genital, rectal, or throat infections.