Infrared Radiation is a Used for Heating and to Monitor Temperature Flashcards
1
Q
What is Infrared radiation also known as?
A
Heat radiation
2
Q
What do electrical heaters radiate and why?
A
IR to keep us warm, and things like grills use IR to cook food
3
Q
What is IR given out by?
A
All objects
4
Q
The hotter the object…
A
The more IR radiation is gives out
5
Q
How can the infrared radiation given out by objects be detected?
A
In the dark of night by night-vision equipment
6
Q
What does the equipment do?
A
Turns it into an electrical signal
7
Q
What is done with this electrical signal?
A
It is displayed on a screen as a picture, allowing things which would otherwise be hidden in the dark to be seen (e.g criminals on the run)
