JAMB - Physics (2024 - No. 103)
Infra-red thermometers work by detecting the
radiation from the body and converting it to temperature
conduction of heat from the body
convective air pulse from the body
absorption of heat by the body
Paskaidrojums
Infrared thermometers work by detecting the infrared radiation emitted by objects. They measure this radiation to determine the object's temperature without direct contact.