When an Electromagnetic Wave Meets a Reflecting Surface, the Direction

question 4

Multiple Choice

When an electromagnetic wave meets a reflecting surface, the direction taken by the reflected wave is determined by:

• A)the material of the reflecting surface
• B)the angle of incidence
• C)the index of the medium
• D)the intensity of the wave
• E)the wavelength

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Definitions:

Tertiary Circular Reaction

A cognitive development stage in babies between 12 and 18 months where they experiment with new behaviors to see results, showing an early form of trial-and-error learning.

Sensorimotor

The first stage of Piaget’s theory of cognitive development, from birth to roughly 2 years, where infants understand the world through their actions and sensory experiences.

Secondary Circular Reaction

A stage in Piaget's theory of cognitive development where infants repeat actions that are pleasurable or produce interesting results, typically occurring from 4 to 8 months of age.

Primary Circular Reaction

An early developmental stage where infants repeat an action that they accidentally discovered, focusing on their own body.