A Convex Mirror with a Focal Length of -20 Cm

question 56

Multiple Choice

A convex mirror with a focal length of -20 cm forms an image 12 cm behind the surface. If the object height is 1.2 cm what is the image height?

• A) 0.30 cm
• B) 0.48 cm
• C) 0.94 cm
• D) 3.0 cm

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Definitions:

Brainstorming

A group creativity technique by which efforts are made to find a solution for a specific problem by gathering a list of ideas spontaneously contributed by its members.

Topic Sentence

A topic sentence is the first sentence in a paragraph that introduces the main idea or point that will be discussed throughout the paragraph.

Thunderstorm

A storm characterized by the presence of lightning and thunder, often accompanied by heavy rain or hail.

Debris

Fragments or remnants of something destroyed or broken down, often referring to scattered pieces of waste or ruins.