Two Radio Antennas Are 120 M Apart on a North-South

question 8

Multiple Choice

Two radio antennas are 120 m apart on a north-south line,and they radiate in phase at a frequency of 3.4 MHz.All radio measurements are made far from the antennas.If the east-west reference line passes midway between the two antennas,what is the smallest angle from the antennas,measured north of east,at which constructive interference of two radio waves occurs? (c = 3.00 × 10⁸ m/s)

• A) 43°
• B) 22°
• C) 68°
• D) 47°
• E) 30°

Evaluate the welfare implications of trade restrictions and government interventions in the market.

Understand and calculate government revenue generated from tariffs and quotas.

Analyze the impact of international trade policies on domestic markets.

Apply economic theory to real-world events such as natural disasters and policy proposals.

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Definitions:

Descriptive Measure

A descriptive measure provides a summary or analysis that captures the characteristics or features of a dataset, often in terms of central tendency or variability.

Population

The entire set of individuals or objects of interest or the measurements obtained from all individuals or objects of interest.

Parameter

A value that describes a characteristic of a population, such as its mean or standard deviation, often used in statistical models and inference.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values in a dataset deviate from the mean.