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Suppose you are located 180 m from a radio transmitter. What is the frequency of this station if it is 98.1 FM? (Note: The FM band frequencies are in megahertz.)

Answer :

Final answer:

The question pertains to the frequency modulation (FM) method used in radio transmissions at 98.1 FM, which corresponds to a frequency of 98.1 MHz within the 87.5 to 108.0 MHz range

Explanation:

The question deals with the concept of frequency modulation (FM) in radio transmissions, specifically how it relates to a radio station broadcasting at 98.1 FM. This falls within the FM radio frequency band of 87.5 to 108.0 MHz, so 98.1 FM refers to a frequency of 98.1 Megahertz. An FM receiver is designed to tune in and resonate at this carrier frequency. The transmitted sound is then encoded via minor variations in the frequency, with a limit of up to 0.020 MHz. These variations, caused by the audio input at the transmitting station, are then decoded on the receiver side to reproduce the original sound. Other technologies like 4G cellular telephone signals, GPS signals, and Wi-Fi also rely on different parts of the radio-wave portion of the electromagnetic spectrum for transmission and operate at higher frequencies.

Learn more about Frequency Modulation here:

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