COMEDK2014PhysicsCommunication System
The waves suitable for transmission of radio signals are
Options
- Ainfrared
- Bwaves longer than infrared
- Cwaves shorter than infrared
- DX-rays
Correct answer
B. waves longer than infrared
Step-by-step solution
The waves suitable for transmission of radio signals are radiowaves. Radiowaves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared radiation.