A Building 30 M Tall Is Being Photographed with a Camera

question 14

Multiple Choice

A building 30 m tall is being photographed with a camera with a lens of focal length 50 mm. How tall is the image if the building is 100 m away?

• A) 30 mm
• B) 15 mm
• C) 10 mm
• D) 3.0 mm
• E) 1.0 mm

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Definitions:

Preoperational

A stage in Piaget's theory of cognitive development where children from about 2 to 7 years old begin to engage in symbolic play and have difficulty understanding other viewpoints.

Sensorimotor

A stage in Piaget's theory of cognitive development where infants learn about the world through their movements and sensory impressions.

Concrete Operations

A stage in child development, as per Piaget's theory, where logical thinking develops but is limited to tangible and concrete situations.

Formal Operations

The stage in Piaget's theory of cognitive development where individuals develop the ability to think abstractly, logically, and systematically.