An Earth satellite in orbit emits a radio signal of constant frequency. Compared to the emitted frequency, the frequency of the signal received by a stationary observer will appear to be:
a) higher as the satellite approaches
b) higher as the satellite moves away
c) lower as the satellite approaches
d) unaffected by the satellite's motion
The best and most correct answer among the choices provided by your question is the first choice or letter A.
Compared to the emitted frequency, the frequency of the signal received by a stationary observer will appear to be: higher as the satellite approaches
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