Question

Which set consists of applications of infrared radiation?

Options

• Sterilisation, forensics, and detecting fluorescence

• Radar, satellite communication, and microwave ovens

• Medical diagnosis, security scanning, and crystal studies

• Thermal scanners, remote controls, and night-vision devices

Answer 1

Infrared radiation is used in thermal scanners, remote controls, and night-vision devices. A TV remote control is a familiar example.