For an Electromagnetic Wave in Free Space Having an Electric $E$

question 37

Multiple Choice

For an electromagnetic wave in free space having an electric field of amplitude $E$ and a magnetic field of amplitude $B$ , the ratio of $B / E$ is equal to

• A) \(1 / c\)
• B) \(c\)
• C) \(1 / c ^ { 2 }\)
• D) \(c ^ { 2 }\)
• E) \(\sqrt { c }\)

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Definitions:

Mary Ainsworth

A developmental psychologist known for her work on attachment theory, which focuses on the bonds between children and their caregivers.

Attachment

An emotional bond that typically forms between infants and their caregivers, profoundly influencing the child's development and future relationships.

Strange Situation

A research method developed by Mary Ainsworth to assess the quality of attachment relationships between infants and their caregivers through a series of introductions, separations, and reunions.

Attachment

The emotional bond that forms between an infant and their caregiver, which is critical for the child's personal development.