The frequency of AM radio channels is typically on the order of 105 Hz or 106 Hz
ID: 1504967 • Letter: T
Question
The frequency of AM radio channels is typically on the order of 105 Hz or 106 Hz. What is the wavelength of these waves? The frequency of AM radio channels is typically on the order of 10 or 10 . What is the wavelength of these waves? from 3 × 101 m to 3 × 102 m from 3 × 102 m to 3 × 104 m from 3 × 103 m to 3 × 104 m from 8 × 102 m to 8 × 104 m from 3 × 101 m to 8 × 102 m from 8 × 102 m to 8 × 103 m from 3 × 102 m to 3 × 103 m from 3 × 102 m to 8 × 103 m
FM waves have wavelengths between 1.0 and 10 . What is the frequency of these waves?
from 8.0 × 107 Hz to 8.0 × 108 Hz from 3.0 × 106 Hz to 8.0 × 109 Hz from 3.0 × 106 Hz to 3.0 × 107 Hz from 3.0 × 107 Hz to 8.0 × 109 Hz from 3.0 × 108 Hz to 3.0 × 109 Hz from 8.0 × 108 Hz to 8.0 × 109 Hz from 3.0 × 106 Hz to 8.0 × 107 Hz from 3.0 × 107 Hz to 3.0 × 108 HzExplanation / Answer
wavelength x frequency = speed of light
1) for frequency (105 to 106 Hz), wavelength = (3 x 108)/(105 to 106 ) = (3 x 102 to 3 x 103 m)
2) for wavelength (1 to 10 m), frequency = (3 x 108)/(1 to 10 ) = (3 x 107 to 3 x 108 Hz)
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