A) diffraction of the signal received from the antenna
B) interference of the direct signal received by the antenna with the weak signal reflected by the passing aircraft
C) change of magnetic flux occurring due to the passage of aircraft
D) vibration created by the, passage of aircraft,
Correct Answer: C
Solution :
When a low flying aircraft passing overhead then it causes a change in magnetic flux and thus, causes a disturbance in picture on our TV screen.
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