Asked by Anonymous
3.A certain radar installation tracks airplanes by transmitting electromagnetic radiation of wavelength 3 cm.
a) Show that the frequency of this radiation is 10 GHz.
b) Show that the time required for a pulse of radar waves to reach an airplane 5 km away and return is 3.3 x 10-5 s.
a) Show that the frequency of this radiation is 10 GHz.
b) Show that the time required for a pulse of radar waves to reach an airplane 5 km away and return is 3.3 x 10-5 s.
Answers
Answered by
bobpursley
Wave equation:
frequency*wavelength=speed of light
Distance equation:
Distance=velocity*time
where distance it distance there+return distance.
frequency*wavelength=speed of light
Distance equation:
Distance=velocity*time
where distance it distance there+return distance.
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