A Concave Mirror Forms a Real Image Which Is Twice

question 52

Multiple Choice

A concave mirror forms a real image which is twice the size of the object.If the object is 20 cm from the mirror, the radius of curvature of the mirror must be about:

• A)13 cm
• B)20 cm
• C)27 cm
• D)40 cm
• E)80 cm

---

Definitions:

Maturation

Biological growth processes that enable orderly changes in behavior, relatively uninfluenced by experience.

Education

The process of facilitating learning or the acquisition of knowledge, skills, values, beliefs, and habits through various means.

Accommodation

In cognitive psychology, the process of modifying existing cognitive schemas, perceptions, and understandings to incorporate new information.

Biological Growth Processes

The natural and progressive development of an organism through stages of maturity, including changes in size, shape, and function.