Astronomy
1st Edition
ISBN:9781938168284
Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Chapter5: Radiation And Spectra
Section: Chapter Questions
Problem 12E: Which type of wave has a longer wavelength: AM radio waves (with frequencies in the kilohertz range)...
Related questions
Question
Two microwave frequencies are authorized for use in microwave ovens: 1015 and 1900 MHz. Calculate the wavelength of each.
Expert Solution
Step 1
Given:
f = 1015 MHz = 1015 x 106 Hz
f' = 1900 MHz = 1900 x 106 Hz
Step 2
Formula used:
The relation between the wave velocity, wavelength and frequency is given by
wave velocity = wavelength x frequency
the velocity of e m waves is equal to the velocity of light. c = 3 x 108 m/s
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