During the COVID-19 pandemic, a non-contact or infrared thermometer is commonly used to measure body temperature. This type of thermometer allows for quick and accurate temperature readings without physical contact, reducing the risk of spreading the virus. It works by detecting the infrared heat emitted by the forehead, providing a fast and hygienic way to check for fever, which is a common symptom of infection. These thermometers are widely used in public places like hospitals, airports, and offices for screening purposes.

This question related to Chapter 7 Science Curiosity Class 6th NCERT.
From the Chapter 7. Temperature and its Measurement.
Give answer according to your understanding.