Question

When a low flying aircraft passes over head, we sometimes notice a slight shaking of the picture on our $TV$ screen. This is due to

• 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 occuring due to the passage of aircraft
• D. vibration created by the passage of aircraft

Answer 1

Answer: (C)

change of magnetic flux occuring due to the passage of aircraft

Answer 2

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.