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Radio waves have a velocity of 3 x 108ms-1. A radio station sends out a...

Physics
JAMB 1984
Radio waves have a velocity of 3 x 108ms-1. A radio station sends out a broadcast on a frequency of 800kHz. The wavelength of the broadcast is
  • A. 375.0m
  • B. 267.0m
  • C. 240.0m
  • D. 37.5m
  • E. 26.7m
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Correct Answer: Option A
Explanation
v = F\(\lambda\)

3 x 108 = \(\lambda\) x 800 x 103

\(\lambda\) = 375.0m
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts