Two towers on the top of two hills are 40 km apart. The line joining them passes 50 m…
Physics · Class 12 · CBSE — Electromagnetic Waves
Two towers on the top of two hills are 40 km apart. The line joining them passes 50 m above a hill halfway between the towers. The longest wavelength of radio waves is
- 1.25 m
- 0.125 m
- 2.50 m
- 0.250 m
Answer
(D) 0.250 m
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