Home Physics Communication System ( Not In Syllabus ) Mix A 50 MHz sky wave takes 4.04 ms to reach a r…
Physics Communication System ( Not In Syllabus ) Mix MCQ (Single Correct)

A 50 MHz sky wave takes 4.04 ms to reach a receiver via re-transmission from a satellite 600 km above earth's surface. Assuming re-transmission time by satellite negligible, find the distance between source and receiver.

A
606 km
B
170 km
C
340 km
D
280 km

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Text Solution

Verified by Experts
The correct answer is:
B

: here

Total time taken

Let x be the distance of satellite from the surface of earth

Total time taken (t)

Let T be the source of electromagnetic waves (i.e. transmitter), R be receiver and S be satellite at locations as shown in figure

Distance between source and receiver

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