Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Textbook Question
Chapter 5, Problem 41E
What is the wavelength of the carrier wave of a campus radio station, broadcasting at a frequency of 97.2 MHz (million cycles per second or million hertz)?
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The frequency range for AM radio is 540 to 1600 kHz. The frequency range for FM radio is 88.0 to 108 MHz.
Part (a) Caculate the maximum wavelength for AM radio in meters. Part (b) Caculate the minimum wavelength for AM radio in meters.
Part (c) Caculate the maximum wavelength for FM radio in meters.
Part (d) Caculate the minimum wavelength for FM radio in meters.
An AM radio broadcasting station uses a wavelength of 277.2 m. Calculate the frequency of these radio waves in kHz.
Express your answer to 4 significant figures.
ν = Answer kHz
What is the wavelength (in m) of a radio signal with a frequency of 98.3 MHz?
Enter the numerical part of your answer to three decimal figures.
The speed of light in a vacuum (and in normal air) = Vlight = c = 3.00 × 108 m/s.
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Chapter 5 Solutions
Astronomy
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