A Planar Electromagnetic Wave Is Propagating in the +X Direction

question 23

Multiple Choice

A planar electromagnetic wave is propagating in the +x direction.At a certain point P and at a given instant,the electric field of the wave is given by = (0.082 V/m) .What is the magnetic vector of the wave at the point P at that instant? (c = 3.0 × 10⁸ m/s)

• A)0.27 nT
• B)-0.27 nT
• C)0.27 nT
• D)6.8 nT
• E)-6.8 nT

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Definitions:

Intuitive

Relating to the ability to understand or know something without conscious reasoning; instinctive.

Centrated

Focusing attention on one aspect of a situation or object while ignoring others, a concept found in Piaget's theory of cognitive development.

Irreversible

A process or event that cannot be undone or reversed once it has occurred.

Symbolic Function

Piaget’s term for ability to use mental representations (words, numbers, or images) to which a child has attached meaning.