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Wave Optics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
Question
Answer the following question:
When a low flying aircraft passes overhead, we sometimes notice a slight shaking of the picture on our TV screen. Suggest a possible explanation.
✓

Answer

A low flying aircraft reflects the TV signal. The slight shaking on the TV screen is due to interference between the direct signal and the reflected signal.

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