___________ is a measure of the whiteness of paper. These methods are not applied to coloured papers that are characterized with the tests. The ___________ is the % of diffuse reflected light from a thick pad of paper to visible light.

___________ is a measure of the whiteness of paper. These methods ar

1.	___________ is a measure of the whiteness of paper. These methods are not applied to coloured papers that are characterized with the tests. The ___________ is the % of diffuse reflected light from a thick pad of paper to visible light.
A.	tPigment
B.	tColour
C.	tOpacity
D.	tBrightness
Answer» E.