The Speed of Electromagnetic Waves in Air Is 3 $\times$ 10⁸ M/s

question 2

Multiple Choice

The speed of electromagnetic waves in air is 3.0 $\times$ 10⁸ m/s. What is the wavelength of FM radio waves having a frequency of 3.0 $\times$ 10⁸ Hz?

• A) 0.333 m
• B) 1.0 m
• C) 3.0 m
• D) 6.0 m
• E) 10 m

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Definitions:

Exchange Rate

The price of one currency in terms of another currency.

Net Exports

The value of a country's total exports minus its total imports, representing the net amount of goods and services traded with other countries.

Open-Economy Macroeconomic Model

A model that analyzes an economy that is engaged in international trade and investment flows.

Domestic Investment

The total amount of money invested in the resources within a country's borders, including but not limited to businesses, infrastructure, and technology.