JEE Main202116 Mar 2021Morning ShiftPhysicsWaves and SoundActual
A 25 m long antenna is mounted on an antenna tower. The height of the antenna tower is 75 m . The wavelength (in meter) of the signal transmitted by this antenna would be :
Options
- A300
- B400
- C200
- D100
Correct answer
D. 100
Step-by-step solution
Length of Antena = 25   m = λ 4 ⇒ λ = 100   m