A Double-Convex Lens Made of Glass Having a Refractive Index

question 54

Multiple Choice

A double-convex lens made of glass having a refractive index of 1.50 has a radius of magnitude 40 cm on the front side and one of magnitude 30 cm on the back side. What is the focal length of this
Lens?

• A) 11 cm
• B) 80 cm
• C) 34 cm
• D) -11 cm
• E) -240 cm

Understand the limitations of using concentration ratios for analyzing industry competitiveness.

Understand the concept of the kinked demand curve and its association with oligopolistic competition.

Identify different demand curves associated with various market structures, including cutthroat oligopolies.

Comprehend the significance of concentration ratios in determining market structure and competitiveness.