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:

Elasticity of Product Demand

The degree to which the demand for a product changes in response to a change in its price.

Labor Costs

The total expenditure by businesses for paying their employees, including wages, benefits, and taxes.

Labor-Intensive

A process or industry that requires a large amount of labor relative to capital in its production processes.

Production Techniques

Methods or processes used in the transformation of inputs into outputs in the production of goods or services.