VHF, or very high frequency, refers to radio frequency electromagnetic waves in the range 30 to 300 MHz. In the U.S., television stations broadcast channels 2 through 13 in the VHF range between 54.0 MHz and 216 MHz, with ranges 72.0 to 76.0 MHz and 88.0 to 174 MHz not utilized for TV broadcasting. Each channel has a frequency width of 6.00 MHz. The table below gives the lower and upper frequency of each channel. Channel Lower edge (MHz) Upper edge (MHz) 2 54 60 3 60 66 4 66 72 5 76 82 6 82 82 88 7 174 180 8 180 186 9 186 192 10 192 198 11 198 204 12 204 210 13 210 216 (a) Calculate the broadcast wavelength range for channel 2. (Enter your answers from smallest to largest, in m.) smallest value m largest value m (b) Calculate the broadcast wavelength range for channel 4. (Enter your answers from smallest to largest, in m.) smallest value largest value m m (c) Calculate the broadcast wavelength range for channel 6. (Enter your answers from smallest to largest, in m.) smallest value largest value 33
VHF, or very high frequency, refers to radio frequency electromagnetic waves in the range 30 to 300 MHz. In the U.S., television stations broadcast channels 2 through 13 in the VHF range between 54.0 MHz and 216 MHz, with ranges 72.0 to 76.0 MHz and 88.0 to 174 MHz not utilized for TV broadcasting. Each channel has a frequency width of 6.00 MHz. The table below gives the lower and upper frequency of each channel. Channel Lower edge (MHz) Upper edge (MHz) 2 54 60 3 60 66 4 66 72 5 76 82 6 82 82 88 7 174 180 8 180 186 9 186 192 10 192 198 11 198 204 12 204 210 13 210 216 (a) Calculate the broadcast wavelength range for channel 2. (Enter your answers from smallest to largest, in m.) smallest value m largest value m (b) Calculate the broadcast wavelength range for channel 4. (Enter your answers from smallest to largest, in m.) smallest value largest value m m (c) Calculate the broadcast wavelength range for channel 6. (Enter your answers from smallest to largest, in m.) smallest value largest value 33
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter24: Electromagnetic Waves
Section: Chapter Questions
Problem 1OQ
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