Question

Which waves have wavelengths longer than those of visible light? Give an example of how each kind of wave is used.

Answer 1

Answer:

These waves have wavelengths longer than those of visible light: Infrared radiation, microwaves  and radio waves .

Infrared radiation transmit heat from the Sun, fires and radiators.

Microwaves are used in cooking, radar and telephones.

Radio waves are used to broadcast radio and television.

Answer 2

1. Radio Waves
ex. Wi-Fi
2. Microwaves
ex. Mobile Phones
3. Infrared Radiation
ex. Heat Lamps