An Electromagnetic Wave Is Propagating Towards the West

question 37

Multiple Choice

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.

---

Definitions:

Perpendicular

A geometric term describing a line or plane at a 90-degree angle to another line or plane.

Baseline Dimensioning

A method of dimensioning in which all dimensions are given from a specified baseline or datum, providing a clear and systematic way of defining dimensions.

Coordinate Dimensioning

A detailing method that specifies the locations of features based on X, Y coordinates, often used in conjunction with a drawing's grid.

Relative Coordinate Programming

A method in computer numerical control (CNC) programming where each point or move is based on its position relative to the preceding point, not from the origin.