The Angle Between a Horizontal Ruler and a Vertical Plane

question 41

Multiple Choice

The angle between a horizontal ruler and a vertical plane mirror is 30°.The angle between the ruler and its image is:

• A)15°
• B)30°
• C)60°
• D)90°
• E)180°

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Definitions:

Intuitive Thought

A cognitive process that creates immediate awareness or understanding without relying on reasoning or logical deduction.

Horizontal Décalage

A term from Piaget's theory of cognitive development, describing the variability in a child’s understanding and application of concepts across different situations.

Conservation

Understanding that physical properties do not change when appearance changes, crucial in cognitive development, repeating definition with emphasis on its role in cognitive science.

Preoperational Stage

A phase in Jean Piaget's cognitive development theory where children from ages 2 to 7 engage in symbolic play and struggle with logic and taking the perspective of others.