Saturday, June 27, 2009

Let's radiate more uh.

More of radiation!

Some new things to learn :D

~Infrared radiation is absorbed by ALL objects and surfaces.
~The absorbtion of radiant heat causes a temperature rise.

~ Infrared radiation is emmited by ALL objects and surfaces.
~ This emmision causes the temperature of the objects themselves to fall.

ALSO ALSO ALSO FURTHERMORE,
there are factors affecting the rate of infrared radiation!
They are:

1) Colour and texture and the surface
-Dull, black surfaces absorb and emmit heat much better and faster than shiny, white surfaces.

2) Surface temperature
-The higher the temperature of the surface of the object relative to the surrounding temperature, the higher the rate if infrared radiation.

3) Surface area
-If two objects have the same mass and are made of the same material, but have differetn surface areas, the object with the larger surface area will emit infrared raiation at a higher rate.

AND THAT'S THE END OF RADIATION!

No comments:

Post a Comment