What does the symbol ℏ (h-bar) represent?

[J-Girl]

physics symbols??please help:)

This is probably a stupid question, but what does this symbol stand for?
$\hbar$
I can't find it anywhere on the net. Thanks:)

 

[berkeman]

This is probably a stupid question, but what does this symbol stand for?
$\hbar$
I can't find it anywhere on the net. Thanks:)

It's Planck's constant:

http://en.wikipedia.org/wiki/Planck_constant

.

 

[J-Girl]

thanks:D