Radiation Flashcards
1
Q
What do all bodies (objects) emit and absorb?
A
Infrared radiation
2
Q
What happens to the quantity of infrared radiation emitted by an object as temperature increases?
A
The hotter the object, the more infrared radiation it will emit
3
Q
What happens to the type of radiation emitted by an object as temperature increases?
A
The hotter the body the shorter the wavelength of radiation released (eg. X rays and gamma rays)
4
Q
Fill the gaps.
______ and ______ distribution of any emission depends on temperature.
A
INTENSITY and WAVELENGTH distribution of any emission depends on temperature
5
Q
What is meant by intensity?
A
The power transferred per unit area; it is a measure of the energy transferred by a wave
