A Radar Receiver Indicates That a Pulse Return as an Echo

question 49

Multiple Choice

A radar receiver indicates that a pulse return as an echo in 20 μs after it was sent.How far away is the reflecting object? (c = 3.0 × 10⁸ m/s)

• A)1.5 km
• B)3.0 km
• C)6.0 km
• D)9.0 km

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Definitions:

Airline Deregulation Act

A United States federal law passed in 1978 that removed governmental control over fares, routes, and market entry of new airlines, significantly reducing barriers to entry in the airline industry.

Civil Aeronautics Board

The Civil Aeronautics Board was a federal agency in the United States that regulated aviation services, including fares, routes, and schedules, before its dissolution in 1985.

Fares

The prices charged for transportation services, such as bus, train, or airplane tickets.

Routes

Paths or directions followed for the transportation of goods or services from one location to another.