Electromagnetic Waves: an Electromagnetic Wave Is Propagating Towards the West

question 16

Multiple Choice

Electromagnetic waves: An electromagnetic wave is propagating towards the west. At a certain moment the direction of the magnetic field vector associated with this wave points vertically up. The direction of the electric field vector of this wave is

• A) horizontal and pointing south.
• B) vertical and pointing down.
• C) horizontal and pointing north.
• D) vertical and pointing up.
• E) horizontal and pointing east.

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Definitions:

Mutually Exclusive

Two events that cannot happen at the same time in a given experiment or situation.

P(A|B)

The conditional probability of event A occurring given that event B has occurred.

P(A And B)

The probability that both event A and event B occur at the same time.

P(A|B)

The chance that event A will occur, assuming event B has occurred, indicative of a conditional probability.