NTA Abhyas JEE Main2020PhysicsCommunication SystemPractice
If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be at least equal to
Options
- A3 m
- B75 m
- C600 m
- D3000 m
Correct answer
B. 75 m
Step-by-step solution
λ = 3 × 10 8 1 × 10 6 = 300 m l m i n = λ 4 = 7 5 m