AM radio signals have frequencies between 550 kHz and 1600 kHz (kilohertz) and travel with a speed of 3 x 10^8 m/s What are the wavelengths of these signals? (b) On FM, the frequencies range from 88.0 MHz to 108 MHz (megahertz) and travel at the same speed; what are their wavelengths?
miss, no 6 tu speed dia brape?
ReplyDeleteAM radio signals have frequencies between 550 kHz and 1600 kHz (kilohertz) and travel with a speed of 3 x 10^8 m/s What are the wavelengths of these signals? (b) On FM, the frequencies range from 88.0 MHz to 108 MHz (megahertz) and travel at the same speed; what are their wavelengths?
ReplyDeleteequation for no 12: x = 0.650 cos 7.40t
ReplyDeleteIntensity for question no.10 is 2 X 10^6 J /m^2
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